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Comparison of treatment responder rates at week 12.
| Parameter | Treatment NMES (N = 45, PPTC) treatment responder rate | Sham low voltage NMES (N = 50, ITT & PP) treatment responder rate | P value (chi-square test) |
|---|---|---|---|
| VAS Nominated Activity | 71% | 62% | .348 |
| VAS General | 67% | 46% | .043 |
| WOMAC pain subscale | 64% | 42% | .029 |
| KOOS JR pain subscale | 56% | 44% | .076 |
| WOMAC stiffness subscale | 62% | 56% | .011 |
| KOOS JR stiffness subscale | 64% | 46% | .071 |
PP, per protocol.
