Table 1.
Demographic and clinical features
| Overall | Site 1 | Site 2 | Site 3 | Site 4 | |
|---|---|---|---|---|---|
| N | 111 | 28 | 39 | 16 | 28 |
| Age, mean (SD) years | 52.16 (14.67) | 41.07 (14.45) | 64.43 (9.08) | 52.12 (10.82) | 46.17 (10.22) |
| Male/Female | 43/68 | 14/14 | 13/26 | 5/11 | 11/17 |
| Clinical Info | |||||
| RUL | 91 | 26 | 37 | 0 | 28 |
| BT | 21 | 1 | 2 | 15 | 3 |
| Others | 1 LART | 1 LART | |||
| RUL number, mean (SD) | 9.22 (5.26) | 8.0 (3.63) | 10.32 (3.06) | -- | 13.46 (4.46) |
| BT number, mean (SD) | 6.69 (6.50) | -- | 7.28 (3.54) | 14.20 (4.98) | 6.33 (1.52) |
| ECT Device | -- | MECTA | Thymatron | Thymatron | Thymatron |
| Titration Method | -- | Seizure threshold (n=28) | Seizure threshold (n=39) | Seizure threshold (n=2) ½ age (n=14) |
½ age (n=28) |
| ECT pulse width, milliseconds | -- | 0.3 (n=26) 0.5 (n=2) |
0.25 (n=36) 1 (n=3) |
0.5 (n=15) NA (n=1) |
0.5 (n=28) |
| ECT pulse amplitude, milliamps | -- | 800 (n=28) | 900 (n=39) | 900 (n=15) NA (n=1) |
900 (n=28) |
| Antidepressant medication | -- | None (n=28) | None (n=2) SSRI (n=17) SNRI (n=16) TCA (n=4) |
None (n=3) SSRI (n=4) SNRI (n=3) TCA (n=6) |
None (n=5) SSRI (n=4) SNRI (n=15) TCA (n=4) |
| Antipsychotic medication, Yes/No/NA | -- | 0/28/0 | 20/19/0 | 8/7/1 | 19/0/9 |
| Benzodiazepines, Yes/No/NA | -- | 0/28/0 | 16/22/1 | 8/8/0 | 0/28/0 |
| Lithium, Yes/No/NA | -- | 0/28/0 | 0/39/0 | 1/15/0 | 4/0/24 |
| Bipolar | 9 | 4 | 0 | 5 | 0 |
| Psychotic features | 19 | 0 | 16 | 3 | 0 |
| Single Episode | 6 | 0 | 2 | 2 | 2 |
| Treatment resistant, Yes/No, count | 105/3 | 28/0 | 36/3 | 13/0 | 28/0 |
| HDRS 17 Baseline Score, mean (SD) | 24.42 (6.31) | 23.89 (6.82) | 25.28 (6.70) | 28.0 (4.87) | 21.71 (4.80) |
| HDRS 17 Follow-up Score, mean (SD) | 12.0 (9.11) | 20.0 (9.41) | 6.64 (7.16) | 13.00 (6.71) | 10.92 (6.57) |
Abbreviations: RUL: Right unilateral stimulation; BT: Bi-temporal stimulation; LART: Left anterior right temporal stimulation; SSRI: Selective serotonin reuptake inhibitors; SNRI: Serotonin–norepinephrine reuptake inhibitor; TCA: Tricyclic antidepressants.