Group Sizes and TKOS Mean Differences for Different WOMAC Pain Thresholds for Persistent Pain
| WOMAC Pain Threshold | Subjects With Persistent Pain, n | TKOS Difference for Subjects With Persistent Pain vs Those Without | P value |
|---|---|---|---|
| 2 | 211 | 2.5 | <0.0001 |
| 3 | 150 | 2.4 | <0.0001 |
| 4 | 112 | 2.4 | 0.0001 |
| 6 | 52 | 3.6 | <0.0001 |
| 8 | 21 | 2.5 | 0.06 |