Table 2.
The comparison of the mean frequencies of side effects reported during the intervention in 22 patients with depression treated with electroconvulsive therapy and intravenous ketamine
| Reported side effects | Electroconvulsive group[12] | Ketamine group[10] | Chi-square test | ||
|---|---|---|---|---|---|
| n (%) | Mean±SD | n (%) | Mean±SD | ||
| Nausea | 9 (75) | 2.1±2.5 | 3 (30) | 1.9±0.8 | 0.08 |
| Headache | 12 (100) | 1.2±4.7 | 6 (60) | 1.8±1.3 | 0.029 |
| Dizziness | 11 (91.7) | 1.6±4.3 | 10 (100) | 1.7±2.7 | 1 |
| Muscle pain | 11 (91.7) | 1.3±2.8 | 0 | 0 | <0.0001 |
| Joint pain | 6 (50) | 0.9±0.75 | 0 | 0 | 0.015 |
| Orientation disorder | 4 (33.3) | 1.3±0.75± | 0 | 0 | 0.09 |
| Blurry vision | 0 | 0 | 6 (60) | 1.9±2.1 | 0.003 |
| Vertigo | 0 | 0 | 4 (40) | 1.5±1.1 | 0.029 |
| Diplopia | 0 | 0 | 4 (40) | 0.9±0.6 | 0.029 |
| Numbness of half body | 0 | 0 | 6 (60) | 1.2±1.2 | 0.003 |
| Depersonalization | 0 | 0 | 6 (60) | 1.4±1.4 | 0.003 |
SD: Standard deviation