Table 1.
Comparison of HC and PTSD cases in discovery (D) and validation (V) samples.
| Discovery (D) | Validation (V) | D vs. V HC | D vs. V PTSD | |||
|---|---|---|---|---|---|---|
| HC n = 71 | PTSD n = 74 | HC n = 36 | PTSD n = 26 | p-value | p-value | |
| Age (years, Mean (sd)) | 32.58 (7.85) | 32.50 (7.33) | 33.83 (9.22) | 36.83 (10.24) | 0.463 | 0.022 |
| Ethnicity (n, %) | ||||||
| Hispanic | 23 (32.39%) | 33 (44.59%) | 6 (16.67%) | 11 (42.31%) | 0.079 | 0.211 |
| Non-hispanic Asian | 5 (7.04%) | 1 (1.35%) | 6 (16.67%) | 3 (11.54%) | ||
| Non-hispanic black | 17 (23.94%) | 20 (27.03%) | 6 (16.67%) | 5 (19.23%) | ||
| Non-hispanic white | 23 (32.39%) | 19 (25.68%) | 18 (50.00%) | 7 (26.92%) | ||
| Non-hispanic other | 3 (4.23%) | 1 (1.35%) | 0 (0.00%) | 0 (0.00%) | ||
| Education (n, %) | ||||||
| Less than 12th grade | 0 (0.00%) | 1 (1.35%) | 1 (2.78%) | 1 (3.85%) | 0.464 | 0.543 |
| HS diploma or GED | 13 (18.31%) | 27 (36.49%) | 10 (27.78%) | 10 (38.46%) | ||
| 2 years college, AA degree | 19 (26.76%) | 22 (29.73%) | 8 (22.22%) | 7 (26.92%) | ||
| 4 years college, BA degree | 27 (38.03%) | 21 (28.38%) | 10 (27.78%) | 5 (19.23%) | ||
| Masters degree | 11 (15.49%) | 3 (4.05%) | 7 (19.44%) | 3 (11.54%) | ||
| Doctoral degree | 1 (1.41%) | 0 (0.00%) | 0 (0.00%) | 0 (0.00%) | ||
| Body mass index (mean (sd)) | 28.11 (4.36) | 30.13 (5.23) | 25.36 (8.38) | 28.32 (8.76) | ||
| Cholesterol (mean (sd)) | ||||||
| HDL cholesterol | 50.30 (13.39) | 47.81 (11.67) | 52.35 (11.91) | 46.85 (14.70) | 0.441 | 0.740 |
| LDL cholesterol | 99.55 (25.50) | 109.51 (32.12) | 100.26 (27.71) | 111.28 (31.50) | 0.894 | 0.810 |
| PTSD severity, Total CAPS (Mean (sd)) | 3.37 (4.66) | 68.12 (16.02) | 3.97 (5.46) | 67.15 (19.37) | 0.550 | 0.803 |
| Major depressive disorder (current depression) (n, %) | 0 (0.00%) | 41 (55.41%) | 3 (8.33%) | 9 (34.62%) | 0.060 | 0.111 |
| Current alcohol use % none (n, %) | 10 (14.08%) | 20 (27.03%) | 5 (13.89%) | 2 (7.69%) | 0.422 | 0.235 |