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Table 3 between group differences at day 4 after surgery (scheduled hospital discharge) T1 and differences between status 14 days prior to surgery and 4 days after surgery

From: Efficiency of immediate postoperative inpatient physical therapy following total knee arthroplasty: an RCT

Variable Experimental group n = 21 Control group n = 22 Mean difference 95%CI P-value Differences between t0 and t1 Mean difference 95%CI P-value
  Experimental group Control group  
  Mean sd Mean sd     Mean sd Mean sd    
ROM active extension (degrees) 8.4 5.1 7.8 5.6 0.56 -2.7 – 3.8 0.73 0.71 8.6 0.14 5.2 0.57 -3.9 – 5.0 0.46
ROM passive extension (degrees) 5.5 4.5 5.8 4.9 -0.3 -3.2 – 2.6 0.81 0.1 7.2 0.4 4.7 -0.3 -4.2 – 3.2 0.78
Rom active flexion (degrees) 69.8 11.9 70.4 13.3 -0.5 -8.3 – 7.3 0.90 36.1 22.0 31.5 17.8 4.6 -7.8 -16.9 0.79
ROM passive flexion (degrees) 77.7 11.2 77.9 12.8 -0.2 -7.7 – 7.2 0.95 36.6 17.9 32.1 18.4 4.5 -6.8 – 15.6 0.43
Functional status KSS knee 54.3 15.2 52.2 17.8 1.1 -8.7 – 12.3 0.68 9.3 22.7 4.4 26.3 4.9 -20 – 10.2 0.52
Functional status KSS function 29.3 10.7 22.9 13.2 -6.4 -1.1 – 13.8 0.09 -24 23.4 -29 19.3 -5 -18 – 7.9 0.43
Length of stay 4.1 0.9 4.5 1.3 0.4 -0.3 – 1.0 0.34 - -   - -
Pain (11 point scale) 3.6 2.3 3.6 2.8 0 -1.6 – 1.6 0.97 -0.14 3.1 0.1 3.5 0.04 -1.8 – 2.3 0.82
Satisfaction with treatment (11-point scale) 9.1 0.8 9.1 0.7 0 -0.5 – 0.5 0.99 - -   - -
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