Table 1. Demographic and Clinical Variables by Treatment Frequency in Adequate Trial Completers Groupa.
| Variable | Mean (SD)b | |||
|---|---|---|---|---|
| Total (N = 67) | Treatment frequency | |||
| Low (n = 29) | Moderate (n = 22) | High (n = 16) | ||
| Female, No. (%) | 40 (60.0) | 15 (52.0) | 15 (68.0) | 10 (63.0) |
| Education, y | 15 (3.10) | 15.28 (2.75) | 14.81 (3.08) | 16 (3.79) |
| Age, y | 46.3 (13.6) | 46.2 (13.1) | 47.2 (14.0) | 45.4 (14.8) |
| Age at onset of major depressive disorder, y | 23.7 (11.6) | 23.8 (12.1) | 25.6 (13.5) | 20.8 (7.5) |
| Length of current major depressive episode, wk | 175.3 (185.6) | 178.7 (193.5) | 203.4 (186.2) | 130.6 (172.8) |
| Recurrent major depressive episodes, No. (%) | 52 (78.0) | 23 (79.0) | 15 (68.0) | 14 (88.0) |
| Antidepressant treatment history form cumulative score | 13.1 (9.1) | 15.3 (10.3)c | 14.5 (8.3)c | 7.1 (4.0)c |
| Magnetic seizure therapy sessions, No. | 19.5 (5.1) | 19.5 (5.2) | 19.8 (4.8) | 19.31 (5.4) |
a
Adequate trial completers are defined as participants completing 8 or more magnetic seizure therapy sessions.
b
Magnetic seizure therapy frequencies are defined as low (25 Hz), moderate (50 or 60 Hz), and high (100 Hz).
c
Denotes statistically significant differences (P < .05).