Table 2.
Regional Body Pain Diagram Groups | P-value | ||||||
---|---|---|---|---|---|---|---|
| |||||||
Outcome | 0 N=53 |
1–2 N=121 |
3–6 N=67 |
Trend | |||
| |||||||
N | median (25th, 75th %ile) | N | median (25th, 75th %ile) | N | median (25th, 75th %ile) | ||
| |||||||
WOMAC pain Score | 51 | 0 (0, 5) | 120 | 5 (0, 15) | 66 | 10 (0, 25) | <0.001 |
| |||||||
WOMAC pain categories | <0.001 | ||||||
0–14 | 47 | 92.2 | 84 | 70.0 | 37 | 56.1 | |
15–39 | 4 | 7.8 | 33 | 27.5 | 23 | 34.8 | |
≥40 | 0 | 0 | 3 | 2.5 | 6 | 9.1 | |
| |||||||
WOMAC pain change* | 51 | −30 (−45, −15) | 120 | −30 (−45, −20) | 64 | −30 (−45, −15) | 0.82 |
| |||||||
% change in WOMAC pain | 51 | −99.5% (−99.9%, −76.9%) | 120 | −89.3% (−99.8%, −59.9%) | 64 | −69.6% (−99.6%, −50%) | 0.008 |
| |||||||
Achieved MCID | <0.001 | ||||||
No | 1 | 2.0 | 10 | 8.3 | 15 | 23.4 | |
Yes | 50 | 98.0 | 110 | 91.7 | 49 | 76.6 |
Change score calculated as follow-up – baseline
Percent change in WOMAC pain contains two outliers. Two subjects reported no pain at baseline but pain at the follow-up visit. Their change in pain has been truncated to 100%.