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Table 4 Primary outcome measurements on day 17

From: Effectiveness of prolonged use of continuous passive motion (CPM), as an adjunct to physiotherapy, after total knee arthroplasty

T2 ROM

PT + CPM N = 30

PT N = 30

P VALUE

95% CI

 

Mean

sd

Mean

sd

  

Active RoM at T2

83.6

11.4

78.6

8.7

0.06

-0.2 – 10.3

Passive RoM at T2

88.7

10.4

84.0

9.9

0.07

-0.5 – 10.0

Delta active RoM T1-T2

17.5

13.4

11.9

9.8

0.07

-0.5 – 11.6

Delta passive RoM T1-T2

17.6

12.9

11.6

9.4

0.04

0.02 – 11.9

Extension active

6.3

3.9

8.1

4.8

0.11

-4.1 – 0.4

Extension passive

4.3

3.1

5.7

4.6

0.17

-3.4 – 0.6

Flexion active

89.9

9.1

86.7

8.5

0.16

-1.4 – 7.8

Flexion passive

93

8.8

89.7

9.6

0.17

-1.4 – 8.1

KSS knee score

67.6

19.6

67.3

14.9

0.94

-8.7 – 9.3

KSS function score

43

14.6

39.8

21.1

0.50

-4.7 – 11.3

WOMAC score

69.9

15.9

65.4

16.4

0.28

-3.9 – 12.9

WOMAC pain

15.8

4.7

15.3

4.1

0.60

-2.9 – 1.7

WOMAC stiffness

5.0

1.8

4.8

1.6

0.66

-0.7 – 1.1

WOMAC difficulty

49.1

11.9

45.3

12.3

0.23

-2.5 – 10.1

  1. T2 = 17 days after surgery