From: Validation of a core patient-reported-outcome measure set for operationalizing success in multimodal pain therapy: useful for depicting long-term success?
Number of single criteria showing improvement (change of at least ½ SD)
Frequency (N)
Percent
0
1
2
3
4
5
Total
19
27
35
21
17
16
135
14.1
20.0
25.9
15.6
12.6
11.9
100.0