title: Postoperative range of motion does not correlate with patient reported outcome scores in Asians after total knee arthroplasty.
abstract: Activities in Asian cultures require greater knee flexion. However, this study hypothesized that post-operative range of motion (ROM) does not correlate with patient reported outcome scores at 2years. 292 TKAs were evaluated at a public hospital in Singapore from January 2006 to May 2009. The relationship between ROM and outcome scores was examined using a multiple linear regression model with Generalized Estimating Equation (GEE) allowing adjustment for confounders and repeated TKAs within a patient. Analysis did not yield statistically significant results when patients' post-op ROM was correlated with outcome scores at 2years. Lack of post op ROM does not translate into poorer outcome scores and dissatisfaction. Doctors can now counsel patients who are concerned about a lack of ROM after TKA.
authors.affiliation: Department of Orthopaedic Surgery, Singapore General Hospital, Singapore.
authors.forename: En Loong
authors.initials: EL
authors.lastname: Soon
authors.affiliation: Department of Orthopaedic Surgery, Singapore General Hospital, Singapore.
authors.forename: Hamid Rahmatullah
authors.initials: HR
authors.lastname: Bin Abd Razak
authors.affiliation: Saw Swee Hock School of Public Health, National University of Singapore, Singapore.
authors.forename: Chuen Seng
authors.initials: CS
authors.lastname: Tan
authors.affiliation: Department of Orthopaedic Surgery, Singapore General Hospital, Singapore.
authors.forename: Hwee Chye Andrew
authors.initials: HC
authors.lastname: Tan
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D019645:Arthroplasty, Replacement, Knee / Q000379:methods; D044466:Asian People; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000503:physiopathology* / Q000601:surgery; D007720:Knee Prosthesis; D016014:Linear Models; D008297:Male; D008875:Middle Aged; D020370:Osteoarthritis, Knee / Q000503:physiopathology* / Q000601:surgery; D063868:Patient Outcome Assessment; D017060:Patient Satisfaction; D016059:Range of Motion, Articular; D020127:Recovery of Function; D012189:Retrospective Studies; D012846:Singapore; D016896:Treatment Outcome
keywords: Asian; PROMs; outcomes; range of motion