Table 4.
Analysis | N | 0 months | 12 months | 0–12 month difference | |||||
Mean | SD | Mean | SD | Mean | SD | P-value | Median difference (95%-CI) | ||
All patients enrolled in depression study | |||||||||
Main analysis: enrolled patients with evaluable data at 0 and 12 months | 75 | 34.77 | (8.21) | 19.55 | (13.12) | 15.23 | (12.72) | p < 0.001 | 15.50 (12.50–18.50) |
SA1: last value carried forward | 93 | 34.67 | (7.95) | 20.77 | (12.56) | 13.90 | (12.29) | p < 0.001 | 15.00 (12.00–17.50) |
SA2: Patients with a disease duration of ≥ 24 months | 61 | 35.10 | (8.25) | 21.05 | (13.53) | 14.05 | (13.07) | p < 0.001 | 14.50 (10.50–17.50) |
SA3 Patients not using antidepressants or psychotherapy | 39 | 33.03 | (6.98) | 17.74 | (12.50) | 15.29 | (10.80) | p < 0.001 | 15.50 (12.00–19.00) |
SA1+SA2+SA3 | 33 | 33.27 | (6.88) | 19.33 | (13.16) | 13.94 | (11.85) | p < 0.001 | 14.00 (10.00–18.00) |
AMOS patients screened for depression study after 1 Jan 2000* | |||||||||
Main analysis: enrolled patients with evaluable data at 0 and 12 months | 37 | 33.65 | (7.64) | 20.27 | (13.07) | 13.38 | (11.98) | p < 0.001 | 14.50 (9.50–17.50) |
SA4: all screened patients (not enrolled + enrolled) with evaluable data at 0 and 12 months | 57 | 28.35 | (11.25) | 18.53 | (12.36) | 9.82 | (13.53) | p < 0.001 | 10.00 (6.50–14.00) |
SA1+SA2+SA4 | 58 | 29.36 | (10.51) | 20.72 | (12.03) | 8.64 | (12.46) | p < 0.001 | 9.50 (6.00–13.00) |
CES-D: Center for Epidemiological Studies Depression Scale, German version. AMOS: Anthroposophic Medicine Outcomes Study. *12-month follow-up documentation of CES-D was not performed for AMOS patients enrolled before 1 Jan 2000, except for patients also enrolled into depression study. **Percentage of patients improved from baseline. SRM: Standardised Response Mean effect size (small: 0.20–0.49, medium: 0.50–0.79, large: ≥ 0.80)