Table 2.
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