Lower body mass index and age are predictive of improved pain and health utility scores following arthroscopic management of femoroacetabular impingement

on behalf of the FIRST Investigators

doi:10.1007/s00167-020-06395-6

Lower body mass index and age are predictive of improved pain and health utility scores following arthroscopic management of femoroacetabular impingement

on behalf of the FIRST Investigators

Medicine

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

5 Citas (Scopus)

Resumen

Purpose: To identify patient factors associated with improved pain scores, functional hip scores, health-related quality of life, and re-operation rates after arthroscopic management of femoroacetabular impingement (FAI). Methods: Using the comprehensive dataset from the multinational Femoroacetabular Impingement Randomized Controlled Trial (FIRST), a total of 13 prognostic factors that were chosen a priori were identified that would be expected to predict post-surgical outcomes. The primary outcome was pain assessed using a Visual Analogue Scale (VAS) and secondary outcomes included hip function (Hip Outcome Score [HOS] and International Hip Outcome Tool [iHOT-12]), health-related quality of life (Short Form-12 [SF-12] and Euro-Qol 5 Dimensions [EQ-5D]), and re-operation rate. A multivariable linear regression was used to analyse the change questionnaire scores from baseline to 12 months post-surgery including all 13 prognostic factors as independent variables. A total of 27 re-operation events were analysed at 24 months using a multivariable logistic regression including only the treatment group variable. Results: Of the 154 patients that had VAS scores completed at 12 months, a lower BMI (adjusted mean difference [aMD], 4.48 for a 5-unit decrease in BMI; 95% confidence interval [CI] 0.33–8.63; p = 0.035) was significantly associated with less pain. There was a significant negative association between increasing age and 1-year EQ-5D scores (aMD, − 0.04 for every 10-year increase in age; 95% CI − 0.07 to − 0.006; p = 0.020). The degree of impingement, severity of osteoarthritis, type of procedure, and adjudicated quality of surgery were not significantly associated with improvement across all outcomes at 12 months. Furthermore, there was no significant association between the treatment variable and the incidence of re-operation at 24 months. Conclusion: This study identified that lower BMI and age are predictive of improved pain and health utility scores, respectively, following arthroscopic management of FAI at 12 months post-surgery. These results may be a helpful adjunct in clinical decisions for this patient population when determining candidacy for surgical intervention. Level of evidence: I.

Idioma original	English
Páginas (desde-hasta)	1461-1473
Número de páginas	13
Publicación	Knee Surgery, Sports Traumatology, Arthroscopy
Volumen	29
N.º	5
DOI	https://doi.org/10.1007/s00167-020-06395-6
Estado	Published - may. 2021

Nota bibliográfica

Funding Information:
Research grants were received from the Canadian Institutes of Health Research (principal investigators: ORA, MB), American Orthopaedic Society for Sports Medicine (principal investigator: ORA), Canadian Orthopaedic Foundation (principal investigators: ORA, MB), McMaster Surgical Associates (principal investigators: ORA, MB), and Hamilton Health Sciences Department of Surgery (principal investigator: ORA) for the FIRST trial. MB was funded, in part, by the Canada Research Chair in Musculoskeletal Trauma (McMaster University), which is unrelated to the present study.

Funding Information:
The Collaborating Group is known as the FIRST investigators. This is constituted of the following authors: steering committee: Olufemi R. Ayeni (Chair, McMaster University), Mohit Bhandari (Co-Chair, McMaster University), Asheesh Bedi (University of Michigan), Teppo J?rvinen (University of Helsinki), Volker Musahl (University of Pittsburgh), Douglas Naudie (University of Western Ontario), Matti Sepp?nen MD (Turku University), Gerard Slobogean (University of Maryland, Baltimore), Lehana Thabane (McMaster University). Methods Centre: Olufemi R. Ayeni (principal investigator); Nicole Simunovic (research manager); Andrew Duong, Matthew Skelly, Ajay Shanmugaraj, Sarah Crouch (project management); Sheila Sprague (research methodologist); Diane Heels-Ansdell, (statistical analysis); Lisa Buckingham (data management) (McMaster University). Data and safety monitoring committee: Tim Ramsay (Chair, Ottawa Hospital Research Institute), John Lee (University of Toronto), Petteri Kousa (Sports Clinic Hospital Dextra). Adjudication committee: Sasha Carsen (Chair, University of Ottawa), Hema Choudur (Hamilton Health Sciences), Yan Sim (McMaster University), Kelly Johnston (University of Calgary). Participating clinical sites?Canada: McMaster University Medical Centre (Hamilton, ON)?Olufemi R. Ayeni MD, PhD, FRCSC; Sarah Crouch BSc (Pharm); Andrew Duong MSc; Ajay Shanmugaraj BSc; Nicole Simunovic MSc; Matthew Skelly BSc; Sheila Sprague PhD. Dalhousie University (Halifax, NS)?Ivan Wong MD, FRCSC, Dip. Sports Medicine, MACM; Ryland Murphy BSc; Sara Sparavalo MASc. St. Michael?s Hospital (Toronto, ON)?Daniel Whelan MD, MSc, FRCSC; Ryan Khan BA, CCRP. Kingston Health Sciences Centre (Kingston, ON)?Gavin CA Wood MBChB, FRCS; Fiona Howells BPharm; Heather Grant MSc. London Health Sciences Centre (London, ON)?Douglas Naudie MD, MSc, FRCSC; Bryn Zomar MSc; Michael Pollock MSc. Fowler Kennedy Sport Medicine Clinic (London, ON)?Kevin Willits MD, FRCSC; Andrew Firth MSc; Stacey Wanlin; Alliya Remtulla MSc; Nicole Kaniki PhD. CHU de Qu?bec-Universit? Laval (Quebec City, QC)?Etienne L. Belzile MD; Sylvie Turmel RN. Participating Clinical Sites?International: Odense University Hospital (Odense, Denmark)?Uffe J?rgensen MD, Dr. Med Sci; Annie Gam-Pedersen RN. Tays Hatanp?? (Tampere University Hospital, Tampere, Finland)?Raine Sihvonen MD, PhD; Marko Raivio MD; Pirjo Toivonen PT. Turku University Hospital (Turku, Finland)?Matti Sepp?nen MD; Mari Pirjetta Routapohja RN. Post-trial statement: the Methods Centre at McMaster University coordinated the trial. The Methods Centre was responsible for programming trial randomisation, the maintenance of the database, data validation, data analyses, and study-centre coordination. The steering committee designed the trial, some members assisted with developing the statistical analysis plan, and vouch for the completeness and accuracy of the data and analyses.

Publisher Copyright:
© 2021, European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA).

ASJC Scopus Subject Areas

Surgery
Orthopedics and Sports Medicine

PubMed: MeSH publication types

Journal Article
Multicenter Study
Randomized Controlled Trial

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10.1007/s00167-020-06395-6

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Lower body mass index and age are predictive of improved pain and health utility scores following arthroscopic management of femoroacetabular impingement. / on behalf of the FIRST Investigators.
En: Knee Surgery, Sports Traumatology, Arthroscopy, Vol. 29, N.º 5, 05.2021, p. 1461-1473.

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

@article{dedad7741e244374a8c77531aac5f2d0,

title = "Lower body mass index and age are predictive of improved pain and health utility scores following arthroscopic management of femoroacetabular impingement",

abstract = "Purpose: To identify patient factors associated with improved pain scores, functional hip scores, health-related quality of life, and re-operation rates after arthroscopic management of femoroacetabular impingement (FAI). Methods: Using the comprehensive dataset from the multinational Femoroacetabular Impingement Randomized Controlled Trial (FIRST), a total of 13 prognostic factors that were chosen a priori were identified that would be expected to predict post-surgical outcomes. The primary outcome was pain assessed using a Visual Analogue Scale (VAS) and secondary outcomes included hip function (Hip Outcome Score [HOS] and International Hip Outcome Tool [iHOT-12]), health-related quality of life (Short Form-12 [SF-12] and Euro-Qol 5 Dimensions [EQ-5D]), and re-operation rate. A multivariable linear regression was used to analyse the change questionnaire scores from baseline to 12 months post-surgery including all 13 prognostic factors as independent variables. A total of 27 re-operation events were analysed at 24 months using a multivariable logistic regression including only the treatment group variable. Results: Of the 154 patients that had VAS scores completed at 12 months, a lower BMI (adjusted mean difference [aMD], 4.48 for a 5-unit decrease in BMI; 95% confidence interval [CI] 0.33–8.63; p = 0.035) was significantly associated with less pain. There was a significant negative association between increasing age and 1-year EQ-5D scores (aMD, − 0.04 for every 10-year increase in age; 95% CI − 0.07 to − 0.006; p = 0.020). The degree of impingement, severity of osteoarthritis, type of procedure, and adjudicated quality of surgery were not significantly associated with improvement across all outcomes at 12 months. Furthermore, there was no significant association between the treatment variable and the incidence of re-operation at 24 months. Conclusion: This study identified that lower BMI and age are predictive of improved pain and health utility scores, respectively, following arthroscopic management of FAI at 12 months post-surgery. These results may be a helpful adjunct in clinical decisions for this patient population when determining candidacy for surgical intervention. Level of evidence: I.",

author = "{on behalf of the FIRST Investigators} and Jeffrey Kay and Nicole Simunovic and Diane Heels-Ansdell and Mohit Bhandari and Ayeni, {Olufemi R.} and Ayeni, {Olufemi R.} and Asheesh Bedi and Teppo J{\"a}rvinen and Volker Musahl and Douglas Naudie and Matti Sepp{\"a}nen and Gerard Slobogean and Lehana Thabane and Andrew Duong and Matthew Skelly and Ajay Shanmugaraj and Sarah Crouch and Sheila Sprague and Lisa Buckingham and Tim Ramsay and John Lee and Petteri Kousa and Sasha Carsen and Hema Choudur and Yan Sim and Kelly Johnston and Ivan Wong and Ryland Murphy and Sara Sparavalo and Daniel Whelan and Ryan Khan and Wood, {Gavin C.A.} and Fiona Howells and Heather Grant and Bryn Zomar and Michael Pollock and Kevin Willits and Andrew Firth and Stacey Wanlin and Alliya Remtulla and Nicole Kaniki and Belzile, {Etienne L.} and Sylvie Turmel and Uffe J{\o}rgensen and Annie Gam-Pedersen and Tays Hatanp{\"a}{\"a} and Raine Sihvonen and Marko Raivio and Pirjo Toivonen and Matti Sepp{\"a}nen",

note = "Funding Information: Research grants were received from the Canadian Institutes of Health Research (principal investigators: ORA, MB), American Orthopaedic Society for Sports Medicine (principal investigator: ORA), Canadian Orthopaedic Foundation (principal investigators: ORA, MB), McMaster Surgical Associates (principal investigators: ORA, MB), and Hamilton Health Sciences Department of Surgery (principal investigator: ORA) for the FIRST trial. MB was funded, in part, by the Canada Research Chair in Musculoskeletal Trauma (McMaster University), which is unrelated to the present study. Funding Information: The Collaborating Group is known as the FIRST investigators. This is constituted of the following authors: steering committee: Olufemi R. Ayeni (Chair, McMaster University), Mohit Bhandari (Co-Chair, McMaster University), Asheesh Bedi (University of Michigan), Teppo J?rvinen (University of Helsinki), Volker Musahl (University of Pittsburgh), Douglas Naudie (University of Western Ontario), Matti Sepp?nen MD (Turku University), Gerard Slobogean (University of Maryland, Baltimore), Lehana Thabane (McMaster University). Methods Centre: Olufemi R. Ayeni (principal investigator); Nicole Simunovic (research manager); Andrew Duong, Matthew Skelly, Ajay Shanmugaraj, Sarah Crouch (project management); Sheila Sprague (research methodologist); Diane Heels-Ansdell, (statistical analysis); Lisa Buckingham (data management) (McMaster University). Data and safety monitoring committee: Tim Ramsay (Chair, Ottawa Hospital Research Institute), John Lee (University of Toronto), Petteri Kousa (Sports Clinic Hospital Dextra). Adjudication committee: Sasha Carsen (Chair, University of Ottawa), Hema Choudur (Hamilton Health Sciences), Yan Sim (McMaster University), Kelly Johnston (University of Calgary). Participating clinical sites?Canada: McMaster University Medical Centre (Hamilton, ON)?Olufemi R. Ayeni MD, PhD, FRCSC; Sarah Crouch BSc (Pharm); Andrew Duong MSc; Ajay Shanmugaraj BSc; Nicole Simunovic MSc; Matthew Skelly BSc; Sheila Sprague PhD. Dalhousie University (Halifax, NS)?Ivan Wong MD, FRCSC, Dip. Sports Medicine, MACM; Ryland Murphy BSc; Sara Sparavalo MASc. St. Michael?s Hospital (Toronto, ON)?Daniel Whelan MD, MSc, FRCSC; Ryan Khan BA, CCRP. Kingston Health Sciences Centre (Kingston, ON)?Gavin CA Wood MBChB, FRCS; Fiona Howells BPharm; Heather Grant MSc. London Health Sciences Centre (London, ON)?Douglas Naudie MD, MSc, FRCSC; Bryn Zomar MSc; Michael Pollock MSc. Fowler Kennedy Sport Medicine Clinic (London, ON)?Kevin Willits MD, FRCSC; Andrew Firth MSc; Stacey Wanlin; Alliya Remtulla MSc; Nicole Kaniki PhD. CHU de Qu?bec-Universit? Laval (Quebec City, QC)?Etienne L. Belzile MD; Sylvie Turmel RN. Participating Clinical Sites?International: Odense University Hospital (Odense, Denmark)?Uffe J?rgensen MD, Dr. Med Sci; Annie Gam-Pedersen RN. Tays Hatanp?? (Tampere University Hospital, Tampere, Finland)?Raine Sihvonen MD, PhD; Marko Raivio MD; Pirjo Toivonen PT. Turku University Hospital (Turku, Finland)?Matti Sepp?nen MD; Mari Pirjetta Routapohja RN. Post-trial statement: the Methods Centre at McMaster University coordinated the trial. The Methods Centre was responsible for programming trial randomisation, the maintenance of the database, data validation, data analyses, and study-centre coordination. The steering committee designed the trial, some members assisted with developing the statistical analysis plan, and vouch for the completeness and accuracy of the data and analyses. Publisher Copyright: {\textcopyright} 2021, European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA).",

year = "2021",

month = may,

doi = "10.1007/s00167-020-06395-6",

language = "English",

volume = "29",

pages = "1461--1473",

journal = "Knee Surgery, Sports Traumatology, Arthroscopy",

issn = "0942-2056",

publisher = "Springer Verlag",

number = "5",

}

TY - JOUR

T1 - Lower body mass index and age are predictive of improved pain and health utility scores following arthroscopic management of femoroacetabular impingement

AU - on behalf of the FIRST Investigators

AU - Kay, Jeffrey

AU - Simunovic, Nicole

AU - Heels-Ansdell, Diane

AU - Bhandari, Mohit

AU - Ayeni, Olufemi R.

AU - Bedi, Asheesh

AU - Järvinen, Teppo

AU - Musahl, Volker

AU - Naudie, Douglas

AU - Seppänen, Matti

AU - Slobogean, Gerard

AU - Thabane, Lehana

AU - Duong, Andrew

AU - Skelly, Matthew

AU - Shanmugaraj, Ajay

AU - Crouch, Sarah

AU - Sprague, Sheila

AU - Buckingham, Lisa

AU - Ramsay, Tim

AU - Lee, John

AU - Kousa, Petteri

AU - Carsen, Sasha

AU - Choudur, Hema

AU - Sim, Yan

AU - Johnston, Kelly

AU - Wong, Ivan

AU - Murphy, Ryland

AU - Sparavalo, Sara

AU - Whelan, Daniel

AU - Khan, Ryan

AU - Wood, Gavin C.A.

AU - Howells, Fiona

AU - Grant, Heather

AU - Zomar, Bryn

AU - Pollock, Michael

AU - Willits, Kevin

AU - Firth, Andrew

AU - Wanlin, Stacey

AU - Remtulla, Alliya

AU - Kaniki, Nicole

AU - Belzile, Etienne L.

AU - Turmel, Sylvie

AU - Jørgensen, Uffe

AU - Gam-Pedersen, Annie

AU - Hatanpää, Tays

AU - Sihvonen, Raine

AU - Raivio, Marko

AU - Toivonen, Pirjo

AU - Seppänen, Matti

N1 - Funding Information: Research grants were received from the Canadian Institutes of Health Research (principal investigators: ORA, MB), American Orthopaedic Society for Sports Medicine (principal investigator: ORA), Canadian Orthopaedic Foundation (principal investigators: ORA, MB), McMaster Surgical Associates (principal investigators: ORA, MB), and Hamilton Health Sciences Department of Surgery (principal investigator: ORA) for the FIRST trial. MB was funded, in part, by the Canada Research Chair in Musculoskeletal Trauma (McMaster University), which is unrelated to the present study. Funding Information: The Collaborating Group is known as the FIRST investigators. This is constituted of the following authors: steering committee: Olufemi R. Ayeni (Chair, McMaster University), Mohit Bhandari (Co-Chair, McMaster University), Asheesh Bedi (University of Michigan), Teppo J?rvinen (University of Helsinki), Volker Musahl (University of Pittsburgh), Douglas Naudie (University of Western Ontario), Matti Sepp?nen MD (Turku University), Gerard Slobogean (University of Maryland, Baltimore), Lehana Thabane (McMaster University). Methods Centre: Olufemi R. Ayeni (principal investigator); Nicole Simunovic (research manager); Andrew Duong, Matthew Skelly, Ajay Shanmugaraj, Sarah Crouch (project management); Sheila Sprague (research methodologist); Diane Heels-Ansdell, (statistical analysis); Lisa Buckingham (data management) (McMaster University). Data and safety monitoring committee: Tim Ramsay (Chair, Ottawa Hospital Research Institute), John Lee (University of Toronto), Petteri Kousa (Sports Clinic Hospital Dextra). Adjudication committee: Sasha Carsen (Chair, University of Ottawa), Hema Choudur (Hamilton Health Sciences), Yan Sim (McMaster University), Kelly Johnston (University of Calgary). Participating clinical sites?Canada: McMaster University Medical Centre (Hamilton, ON)?Olufemi R. Ayeni MD, PhD, FRCSC; Sarah Crouch BSc (Pharm); Andrew Duong MSc; Ajay Shanmugaraj BSc; Nicole Simunovic MSc; Matthew Skelly BSc; Sheila Sprague PhD. Dalhousie University (Halifax, NS)?Ivan Wong MD, FRCSC, Dip. Sports Medicine, MACM; Ryland Murphy BSc; Sara Sparavalo MASc. St. Michael?s Hospital (Toronto, ON)?Daniel Whelan MD, MSc, FRCSC; Ryan Khan BA, CCRP. Kingston Health Sciences Centre (Kingston, ON)?Gavin CA Wood MBChB, FRCS; Fiona Howells BPharm; Heather Grant MSc. London Health Sciences Centre (London, ON)?Douglas Naudie MD, MSc, FRCSC; Bryn Zomar MSc; Michael Pollock MSc. Fowler Kennedy Sport Medicine Clinic (London, ON)?Kevin Willits MD, FRCSC; Andrew Firth MSc; Stacey Wanlin; Alliya Remtulla MSc; Nicole Kaniki PhD. CHU de Qu?bec-Universit? Laval (Quebec City, QC)?Etienne L. Belzile MD; Sylvie Turmel RN. Participating Clinical Sites?International: Odense University Hospital (Odense, Denmark)?Uffe J?rgensen MD, Dr. Med Sci; Annie Gam-Pedersen RN. Tays Hatanp?? (Tampere University Hospital, Tampere, Finland)?Raine Sihvonen MD, PhD; Marko Raivio MD; Pirjo Toivonen PT. Turku University Hospital (Turku, Finland)?Matti Sepp?nen MD; Mari Pirjetta Routapohja RN. Post-trial statement: the Methods Centre at McMaster University coordinated the trial. The Methods Centre was responsible for programming trial randomisation, the maintenance of the database, data validation, data analyses, and study-centre coordination. The steering committee designed the trial, some members assisted with developing the statistical analysis plan, and vouch for the completeness and accuracy of the data and analyses. Publisher Copyright: © 2021, European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA).

PY - 2021/5

Y1 - 2021/5

N2 - Purpose: To identify patient factors associated with improved pain scores, functional hip scores, health-related quality of life, and re-operation rates after arthroscopic management of femoroacetabular impingement (FAI). Methods: Using the comprehensive dataset from the multinational Femoroacetabular Impingement Randomized Controlled Trial (FIRST), a total of 13 prognostic factors that were chosen a priori were identified that would be expected to predict post-surgical outcomes. The primary outcome was pain assessed using a Visual Analogue Scale (VAS) and secondary outcomes included hip function (Hip Outcome Score [HOS] and International Hip Outcome Tool [iHOT-12]), health-related quality of life (Short Form-12 [SF-12] and Euro-Qol 5 Dimensions [EQ-5D]), and re-operation rate. A multivariable linear regression was used to analyse the change questionnaire scores from baseline to 12 months post-surgery including all 13 prognostic factors as independent variables. A total of 27 re-operation events were analysed at 24 months using a multivariable logistic regression including only the treatment group variable. Results: Of the 154 patients that had VAS scores completed at 12 months, a lower BMI (adjusted mean difference [aMD], 4.48 for a 5-unit decrease in BMI; 95% confidence interval [CI] 0.33–8.63; p = 0.035) was significantly associated with less pain. There was a significant negative association between increasing age and 1-year EQ-5D scores (aMD, − 0.04 for every 10-year increase in age; 95% CI − 0.07 to − 0.006; p = 0.020). The degree of impingement, severity of osteoarthritis, type of procedure, and adjudicated quality of surgery were not significantly associated with improvement across all outcomes at 12 months. Furthermore, there was no significant association between the treatment variable and the incidence of re-operation at 24 months. Conclusion: This study identified that lower BMI and age are predictive of improved pain and health utility scores, respectively, following arthroscopic management of FAI at 12 months post-surgery. These results may be a helpful adjunct in clinical decisions for this patient population when determining candidacy for surgical intervention. Level of evidence: I.

AB - Purpose: To identify patient factors associated with improved pain scores, functional hip scores, health-related quality of life, and re-operation rates after arthroscopic management of femoroacetabular impingement (FAI). Methods: Using the comprehensive dataset from the multinational Femoroacetabular Impingement Randomized Controlled Trial (FIRST), a total of 13 prognostic factors that were chosen a priori were identified that would be expected to predict post-surgical outcomes. The primary outcome was pain assessed using a Visual Analogue Scale (VAS) and secondary outcomes included hip function (Hip Outcome Score [HOS] and International Hip Outcome Tool [iHOT-12]), health-related quality of life (Short Form-12 [SF-12] and Euro-Qol 5 Dimensions [EQ-5D]), and re-operation rate. A multivariable linear regression was used to analyse the change questionnaire scores from baseline to 12 months post-surgery including all 13 prognostic factors as independent variables. A total of 27 re-operation events were analysed at 24 months using a multivariable logistic regression including only the treatment group variable. Results: Of the 154 patients that had VAS scores completed at 12 months, a lower BMI (adjusted mean difference [aMD], 4.48 for a 5-unit decrease in BMI; 95% confidence interval [CI] 0.33–8.63; p = 0.035) was significantly associated with less pain. There was a significant negative association between increasing age and 1-year EQ-5D scores (aMD, − 0.04 for every 10-year increase in age; 95% CI − 0.07 to − 0.006; p = 0.020). The degree of impingement, severity of osteoarthritis, type of procedure, and adjudicated quality of surgery were not significantly associated with improvement across all outcomes at 12 months. Furthermore, there was no significant association between the treatment variable and the incidence of re-operation at 24 months. Conclusion: This study identified that lower BMI and age are predictive of improved pain and health utility scores, respectively, following arthroscopic management of FAI at 12 months post-surgery. These results may be a helpful adjunct in clinical decisions for this patient population when determining candidacy for surgical intervention. Level of evidence: I.

UR - http://www.scopus.com/inward/record.url?scp=85098670056&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85098670056&partnerID=8YFLogxK

U2 - 10.1007/s00167-020-06395-6

DO - 10.1007/s00167-020-06395-6

M3 - Article

C2 - 33398481

AN - SCOPUS:85098670056

SN - 0942-2056

VL - 29

SP - 1461

EP - 1473

JO - Knee Surgery, Sports Traumatology, Arthroscopy

JF - Knee Surgery, Sports Traumatology, Arthroscopy

IS - 5

ER -

Lower body mass index and age are predictive of improved pain and health utility scores following arthroscopic management of femoroacetabular impingement

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