Table 1.
Demographic and clinical characteristics
| Clinical and demographic features | 600mA (n = 20) | 700mA (n = 22) | 800mA (n = 20) | F or χ2 (p-value) |
|---|---|---|---|---|
| Age: mean (SD) | 65.5 (8.3) | 64.4 (6.7) | 67.2(10.2) | 0.57 (0.57) |
| Sex: Male/Female | 5/15 | 5/17 | 8/12 | 0.93 (0.63) |
| Single episode/recurrent | 1/19 | 4/18 | 1/19 | 2.82 (0.24) |
| Psychotic/Non-psychotic | 5/15 | 9/13 | 6/14 | 1.28 (0.53) |
| Episode duration (months): mean (SD) | 16.5 (16.5) | 14.2 (20.0) | 23.7 (30.0) | 1.06 (0.35) |
| Number of episodes: mean (SD) | 4.9 (4.8) | 3.14 (3.2) | 4.32 (3.6) | 1.06 (0.35) |
| Age of onset (years): mean (SD) | 36.7 (17.9) | 40.5 (22.4) | 31.2(17.4) | 1.20 (0.31) |
| Lifetime duration (years): mean (SD) | 5.7 (4.3) | 7.3 (11.8) | 8.8 (11.3) | 0.50 (0.61) |
| Framingham Stroke Risk Profile (raw score): mean (SD) | 8.7 (3.9) | 7.6 (4.5) | 8.8 (3.7) | 0.49 (0.61) |
| ECT Appropriateness Scale: mean (SD) | 7.9 (1.7) | 8.4 (1.6) | 8.25 (1.4) | 0.49 (0.61) |
| Maudsley Treatment Failure: mean (SD) | 2.0 (1.1) | 1.9 (1.0) | 2.2 (1.1) | 0.42 (0.66) |
| Baseline MOCA: mean (SD) | 23.4 (3.4) | 24.1 (3.5) | 24.8 (3.0) | 1.00 (0.38) |
| ECT charge and seizure duration | ||||
| Titration step (% n) | 1 (0%) 2 (15%) 3 (60%) 4 (25%) |
1 (4.5%) 2 (54.5%) 3(4.1%) 4 (0%) |
1 (0%), 2 (50%) 3 (50%) 4 (0%) |
17.8 (.007) |
| Titration charge (mC): mean (SD) | 41.0 (21.0) | 32.3 (19.8) | 41.8 (29.4) | 1.06 (0.35) |
| Final step (% n) | 1 (0%) 2 (5%) 3 (40%) 4 (55%) |
1 (0%) 2 (22.7%) 3 (50%) 4 (27.3%) |
1 (0%) 2 (35%) 3 (45%) 4 (20%) |
8.6 (.07) |
| Final charge (mC): mean (SD) | 315.3 (102.2) | 286.7 (146.7) | 313.5 (182.7) | 0.25 (0.78) |
| Average charge (mC): mean (SD) | 241.0 (100.0) | 218.3 (115.5) | 230.3 (139.7) | 0.19 (0.83) |
| RUL treatment number: mean (SD) | 7.8 (2.4) | 8.1 (2.6) | 7.8 (2.8) | 0.14 (0.87) |
| EEG seizure duration (s): mean (SD) | 46.2 (14.8) | 51.2 (16.6) | 52.5 (18.2) | 0.83 (0.44) |
| Baseline Measures | ||||
| Hamilton Depression Rating Scale - 24 items: mean (SD) | 36.95 (7.8) | 37.91 (7.5) | 33.75 (6.7) | 1.81 (0.17) |
| Hopkins Verbal Learning Test - Revised Retention Raw Score: mean (SD) | 68.4 (40.4) | 48.7 (36.9) | 59.65 (38.7) | 1.4 (0.26) |
F-statistic degrees of freedom (2, 59)
x2 degrees of freedom (2) for clinical and demographic features
x2 degrees of freedom (6) for titration steps