The mean SPADI and pain scores with their 95% confidence intervals
| Week 0 Active (n=56) Placebo (n=52) | Week 1 Active (n=55) Placebo (n=51) | Week 4 Active (n=52) Placebo (n=46) | Week 12 Active (n=53) Placebo (n=48) | |||||
|---|---|---|---|---|---|---|---|---|
| Outcome measurement (max score) | Mean | CI | Mean | CI | Mean | CI | Mean | CI |
| SPADI – total (100) | ||||||||
| Active | 68.1 | (63.7 to 72.6) | 51.6 | (46.9 to 56.2) | 55.0 | (49.9 to 60.2) | 55.5 | (49.3 to 61.7) |
| Placebo | 66.5 | (61.4 to 71.6) | 63.7 | (57.9 to 69.5) | 64.3 | (59.1 to 69.5) | 63.9 | (57.8 to 69.8) |
| SPADI – pain (100) | ||||||||
| Active | 68.1 | (63.8 to 72.4) | 45.2 | (40.5 to 49.9) | 51.4 | (45.9 to 56.9) | 52.2 | (45.4 to 59.1) |
| Placebo | 66.4 | (61.2 to 71.6) | 63.4 | (57.9 to 68.9) | 61.5 | (55.7 to 67.4) | 60.5 | (54.0 to 67.1) |
| SPADI – disability (100) | ||||||||
| Active | 68.2 | (62.8 to 73.6) | 57.9 | (52.2 to 63.7) | 58.7 | (52.9 to 64.5) | 58.8 | (52.5 to 65.1) |
| Placebo | 66.5 | (60.4 to 72.7) | 63.9 | (56.9 to 71.0) | 67.2 | (61.2 to 73.1) | 67.1 | (60.4 to 73.8) |
| Pain at rest (100) | ||||||||
| Active | 44.7 | (38.8 to 50.6) | 29.3 | (23.4 to 35.1) | 30.4 | (24.6 to 36.2) | 32.0 | (25.9 to 38.1) |
| Placebo | 46.2 | (39.5 to 52.9) | 42.9 | (35.2 to 50.5) | 40.1 | (32.0 to 48.1) | 48.2 | (40.5 to 55.8) |
| Pain at night (100) | ||||||||
| Active | 60.2 | (53.6 to 66.8) | 39.1 | (32.2 to 45.9) | 39.2 | (31.8 to 46.5) | 44.7 | (37.3 to 52.1) |
| Placebo | 58.2 | (50.5 to 65.8) | 51.7 | (43.4 to 59.9) | 47.8 | (39.4 to 56.3) | 55.9 | (47.7 to 64.0) |
| Pain on movement (100) | ||||||||
| Active | 71.1 | (65.0 to 77.2) | 50.0 | (44.2 to 55.9) | 54.4 | (47.5 to 61.3) | 52.8 | (45.5 to 60.2) |
| Placebo | 67.5 | (61.4 to 73.6) | 59.0 | (51.7 to 66.3) | 60.2 | (52.5 to 67.9) | 64.5 | (57.2 to 71.7) |