Statistical analysis of YBOCS and GAF at the group level
| Baseline | 6 months | 12 months | 24 months | |||||||||||
| Mean(SD) | 95% CI | Mean (SD) | 95% CI | % | P value | Mean (SD) | 95% CI | % | P value | Mean (SD) | 95% CI | % | P value | |
| YBOCS total score | 33.3 (3.5) | 31.7–34.9 | 18.6 (9.4) | 14.4–22.8 | 44 | *** | 16.8 (10.2) | 12.2–21.4 | 49.4 | *** | 15.5 (9.4) | 11.1–19.9 | 53.4 | *** |
| Obsession score | 16.3 (1.9) | 15.2–17.3 | 7.1 (6.2) | 4.3–9.9 | 56.5 | ** | 5.2 | 2.6–7.8 | 69 | ** | 5.8 (5.5) | 2.9–8.6 | 64 | ** |
| Compulsion score | 17 (1.9) | 15.9–18.1 | 11.5 (5.9) | 8.8–14.2 | 32.4 | ** | 11.6 | 8.2–15 | 32 | ** | 9.7 (4.7) | 7.3–12.1 | 42 | ** |
| GAF score | 34.5 (3.9) | 32.8–36.2 | NA | NA | 66.4 (18.8) | 58–74.9 | ** | |||||||
***p<0.0001; **p<0.0005.
GAF, Global Assessment Functioning; YBOCS, Yale and Brown Obsessive–Compulsive Scale.