Table 1.
Demographic and clinical characteristics
| HC N=42 |
MDDnoMF
N=34 |
MMF N=25 |
H/χ2 | P value | |
| Age (mean (SD)) | 26.55 (7.61) | 28.26 (5.25) | 28.32 (7.47) | 5.07 | 0.079* |
| Male (n (%)) | 15 (35.71) | 9 (26.47) | 8 (32.00) | 0.74 | 0.690† |
| Education (n, %) | 25.07 | <0.001† | |||
| Elementary | 7 (16.67) | 0 (0) | 2 (8.00) | ||
| Secondary | 16 (38.10) | 3 (8.82) | 1 (4.00) | ||
| Tertiary | 19 (45.24) | 31 (91.18) | 22 (88.00) | ||
| Smoking (n (%)) | 8 (19.05) | 4 (11.76) | 6 (24.00) | 1.55 | 0.462† |
| Drinking (n (%)) | 2 (4.76) | 4 (11.76) | 1 (4.00) | 1.87 | 0.392† |
| Days medicated (mean (SD)) | 0 (0) | 67 (125) | 60 (99) | 60.67 | <0.001* |
| Mean FD (mean (SD)) | 0.13 (0.06) | 0.12 (0.05) | 0.14 (0.07) | 2.60 | 0.273* |
| HAMD-17 (mean (SD)) | 0.71 (1.20) | 14.29 (5.45) | 15.75 (7.12) | 69.90 | <0.001* |
| YMRS (mean (SD)) | 0.00 (0.00) | 1.03 (2.44) | 4.42 (2.84) | 24.86 | <0.001* |
*Kruskal-Wallis H test.
†χ2 tests.
FD, frame-wise displacement; HAMD-17, 17-item Hamilton Depression Rating Scale; HC, healthy control; MDDnoMF, major depressive disorder without mixed features; MMF, major depressive episode with mixed features; SD, standard deviation; YMRS, Young Mania Rating Scale.