Table 3.
Descriptive results: outcomes over time for nonparticipant and intervention groups.
| Outcome, timepoint | Nonparticipant group | Intervention group | |
| Pain score, mean (SD) | |||
|
|
Baseline | 42.9 (22.5) | 43.2 (21.7) |
|
|
3 weeks | 31.4 (22.8) | 19.2 (17.9) |
|
|
6 weeks | 25.0 (21.6) | 14.2 (16.0) |
|
|
12 weeks | 24.7 (20.5) | 12.7 (14.2) |
| Patient’s global impression of change, n (%) | |||
|
|
3 weeks (nonparticipant group: n=196; intervention group: n=150) | 51 (26) | 104 (69.3) |
|
|
6 weeks (nonparticipant group: n=130; intervention group: n=115) | 50 (38.5) | 85 (73.9) |
|
|
12 weeks (nonparticipant group: n=123; intervention group: n=121) | 53 (43.1) | 95 (78.5) |
| Functional improvement, n (%) | |||
|
|
3 weeks (nonparticipant group: n=196; intervention group: n=150) | 77 (39.3) | 105 (56.5) |
|
|
6 weeks (nonparticipant group: n=130; intervention group: n=115) | 66 (51.6) | 91 (67.9) |
|
|
12 weeks (nonparticipant group: n=123; intervention group: n=121) | 62 (50.8) | 94 (77.7) |