Table 3 Comparison of the functional scales and the tramadol usage at each evaluation time-point.

From: Enhanced Reality Showing Long-Lasting Analgesia after Total Knee Arthroplasty: Prospective, Randomized Clinical Trial

  

half term intervention group

full term intervention group

p-value

Pre-interventional evaluation

WOMAC (0–96)

40.86 ± 10.89

37.47 ± 12.71

0.544

6 minute walk test (meter)

126.86 ± 64.05

146.59 ± 89.24

0.602

Timed-stands test (second)

24.71 ± 5.25

26.8 8 ± 7.11

0.534

The first week

Number of tramadol weekly consumption

3.00 ± 2.24

1.98 ± 1.53

0.288

WOMAC

35.00 ± 15.01

30.41 ± 11.57

0.426

6 minute walk test

282.57 ± 132.19

220.77 ± 91.19

0.199

Timed-stands test

22.43 ± 5.86

22.57 ± 3.31

0.418

The second week

Number of tramadol weekly consumption

2.14 ± 2.41

1.33 ± 1.70

0.534

WOMAC

19.14 ± 13.98

21.12 ± 9.74

0.695

6 minute walk test

337.71 ± 85.77

290.64 ± 80.26

0.213

Timed-stands test

19.71 ± 5.29

20.44 ± 2.96

0.400

The fifth week

WOMAC

10.86 ± 10.84

14.59 ± 9.14

0.398

6 minute walk test

407.00 ± 83.62

353.35 ± 82.35

0.163

Timed-stand test

19.00 ± 6.16

19.29 ± 2.80

0.867