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Table 2 Postoperative recovery of SF-36 and knee measures ( n= 441)

From: Knee extension range of motion and self-report physical function in total knee arthroplasty: mediating effects of knee extensor strength

Variables Pre TKA Post TKA P-value
SF-36 variables
 Physical function 38.8 (22.7) 66.6 (17.9) <0.001
 Bodily Pain 36.8 (18.3) 69.0 (23.5) <0.001
 Mental Health 75.9 (19.1) 82.7 (14.5) <0.001
Knee variables
 Extensor strength, %BW 18.0 (8.0) 25.6 (8.6) <0.001
 Extension ROM, deg 8.2 (8.2) 4.3 (4.9) <0.001
  1. Note: Values reported were mean (SD) unless stated otherwise.
  2. Abbreviations: SF-36 = Medical Outcomes Study 36-Item Short-Form Health Survey; ROM, range of motion; BW, body weight; TKA, total knee arthroplasty.
  3. P-values derived from repeated-measure ANOVA.