Table 1.
Patient demographics.
| Responders (n = 25) | Non-responders (n = 9) | p-Value (group comparison) | |
|---|---|---|---|
| Sex (M/F) | 16/9 | 2/7 | 0.05a |
| Smoking (NS/S) | 22/3 | 4/5 | 0.02a |
| Mean (SD) | Mean (SD) | ||
| Age | 65.8 (18.7) | 55.8 (15.4) | 0.16b |
| BMI | 24.8 (3.9) | 26.6 (5.3) | 0.30b |
| Baseline HDRS | 28.7 (5.4) | 27.0 (6.0) | 0.43b |
| Baseline HDRS (min - max) | 19 - 38 | 21 - 41 | |
| ∆HDRS | 21.1 (6.2) | 6.1 (6.7) | 8.21 × 10−7b |
| Number of ECT sessions | 10.2 (4.7) | 12.4 (6.4) | 0.28b |
| Number of weeks (T1 - T2) | 4.6 (1.9) | 5.5 (2.6) | 0.28b |
| ECT sessions per week | 2.2 (0.1) | 2.2 (0.1) | 0.45b |
M male, F female, NS non-smoker, S smoker, BMI body mass index, HDRS Hamilton Depression Rating Scale, ECT electroconvulsive therapy, SD standard deviation.
aFisher’s exact test.
bt-test.