Table 1.
Comparison between the groups in terms of demographic variables
| DD (n=23) | HC (n=21) | t/Z/χ2 | P | |
|---|---|---|---|---|
| Age | 43.04±11.69 | 35.43±9.34 | 2.37 | 0.022 |
| Gender (women/men) | 11/12 | 11/10 | 0.09 | 0.763 |
| Education (years) | 5.00 (5.00-11.00) | 15.00 (5.00-17.00) | −3.71 | <0.001 |
| Marital status (m/s) | 7/16 | 14/7 | 5.78 | 0.016 |
| Number of days in the hospital | 26.00 (21.00-31.25) | - | ||
| Diagnosis (MDD/BD) | 16/7 | - | ||
| Number of previous hospitalizations | 3.17±3.19 | - | ||
| Duration of the disorder* | 12.46±11.29 | - | ||
| Number of ECT sessions | 7.14±2.03 | - | ||
| Energy (millicoulomb) | 44.29±12.67 | |||
| EMG seizure duration | 31.61±7.77 | |||
| EEG seizure duration | 47.30±14.05 | |||
| History of previous ECT, n (%) | 7 (30.44) | - | ||
| HAM-D before treatment | 35.70±12.10 | - | ||
| HAM-D after treatment | 9.50 (3.00-19.25) |
*Months. Mann-Whitney U-test, t-test or Chi-square test. DD – Depressive disorder; HC – Healthy control; ECT – Electroconvulsive therapy; MDD – Major depressive disorder; BD – Bipolar disorder; HAM-D – Hamilton Depression Rating Scale; m/s – married/single; EMG – Electromyographic; EEG – Electroencephalogram