Table 3.
Participants’ global assessment of change from baseline
| Outcome | Exercise only | Injection plus exercise | P value* |
|---|---|---|---|
| Week 1 | |||
| No of patients | 104 | 97 | |
| Completely recovered | 0 | 3 (3) | χ2=24.0, P<0.001 |
| Improved but still some problems | 50 (48) | 72 (74) | |
| No change | 40 (39) | 21 (22) | |
| Worse | 13 (13) | 1 (1) | |
| Much worse | 1 (1) | 0 | |
| Week 6 | |||
| No of patients | 100 | 94 | |
| Completely recovered | 1 (1) | 8 (9) | χ2=14.6, P=0.006 |
| Improved but still some problems | 77 (77) | 78 (83) | |
| No change | 15 (15) | 6 (6) | |
| Worse | 7 (7) | 1 (1) | |
| Much worse | 0 | 1 (1) | |
| Week 12 | |||
| No of patients | 104 | 101 | |
| Completely recovered | 8 (8) | 15 (15) | χ2=5.4, P=0.248 |
| Improved but still some problems | 81 (76) | 70 (71) | |
| No change | 11 (10) | 12 (12) | |
| Worse | 5 (5) | 1 (1) | |
| Much worse | 1 (1) | 1 (1) | |
| Week 24 | |||
| No of patients | 104 | 101 | |
| Completely recovered | 17 (16) | 16 (16) | χ2=2.3, P=0.672 |
| Improved but still some problems | 69 (66) | 71 (70) | |
| No change | 10 (10) | 11 (11) | |
| Worse | 5 (5) | 2 (2) | |
| Much worse | 3 (3) | 1 (1) | |
*For change compared with baseline.