Table 4

Scores for the WOMAC Index in each group before and after treatment
Pain Rigidity Physical function Total score
Before After P Before After P Before After P Before After P Effect size
KIN (n = 16) 8.9 ± 4.4 (1 – 18) 2.0 ± 2.3a (0 – 8) 0.0001 3.0 ± 2.1 (0 – 6) 0.4 ± 0.8a (0 – 2) 0.0001 25.6 ± 13.6b (6 – 48) 4.6 ± 5.9ab (0 – 21) 0.0001 37.5 ± 18.7b (7 – 69) 7.0 ± 8.1ab (0 – 28) 0.0001 0.73
TENS (n = 12) 10.7 ± 3.0 (4 – 15) 3.3 ± 2.9a (0 – 9) 0.0001 4.3 ± 1.9 (2 – 8) 0.8 ± 0.8a (0 – 2) 0.0001 31.8 ± 9.2 (16 – 50) 10.1 ± 8.3ab (0 – 25) 0.0001 46.8 ± 12.2 (22 – 69) 14.2 ± 11.0ab (0 – 35) 0.0001 0.81
US (n = 12) 10.1 ± 3.8 (4 – 16) 6.2 ± 4.2a (2 – 17) 0.01 4.4 ± 2.5 (0 – 8) 2.0 ± 1.9a (0 – 6) 0.004 38.3 ± 9.1 (22 – 51) 20.6 ± 9.8a (5 – 43) 0.0001 53.5 ± 12.2 (36 – 70) 28.8 ± 14.8a (8 – 66) 0.0002 0.67

Data are expressed as mean ± S.D. (min – max).

a different from before for the same group.

b different from US group at same time point.

Mascarin et al.

Mascarin et al. BMC Musculoskeletal Disorders 2012 13:182   doi:10.1186/1471-2474-13-182

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