Table 1.
Demographic and clinical details of the participants for each site.
| DEP | HC | P-value | ||
|---|---|---|---|---|
| UCLA | Number | 45 | 33 | NA |
| Age | 41.22 ± 13.51 | 39.03 ± 12.21 | 0.46 | |
| Gender(M/F) | 20/25 | 15/18 | 0.99 | |
| Pre-ECT HDRS | 25.17 ± 6.15 | NA | NA | |
| Post-ECT HDRS | 16.22 ± 9.33 | NA | NA | |
| Number of treatments | 8.84 ± 3.40 | NA | NA | |
| Antidepressants (%) | 0/45 (0.0) | NA | NA | |
| UNM | Number | 74 | 28 | NA |
| Age | 64.99 ± 9.09 | 60.22 ± 8.02 | 0.02 | |
| Gender(M/F) | 23/51 | 11/16 | 0.62 | |
| Pre-ECT HDRS | 25.85 ± 6.13 | NA | NA | |
| Post-ECT HDRS | 16.90 ± 6.70 | NA | NA | |
| Number of treatments | 8.92 ± 2.86 | NA | NA | |
| Antidepressants (%) | 14/74 (0.18) | NA | NA | |
| Total | Number | 119 | 61 | NA |
| Age | 55.94 ± 15.87 | 48.56 ± 14.90 | 0.008 | |
| Gender(M/F) | 43/76 | 26/34 | 0.99 | |
| Pre-ECT HDRS | 25.59 ± 6.14 | NA | NA | |
| Post-ECT HDRS | 11.48 ± 9.07 | NA | NA | |
| Number of treatments | 8.89 ± 3.07 | NA | NA | |
| Antidepressants(%) | 14/119 (0.11) | NA | NA |
M, Male; F, Female; ECT, Electroconvulsive therapy; HDRS, Hamilton depression rating scale; DEP, Depression; HC, Healthy control.