Table 1 Aggregate demographics
From: Towards precision medicine for stress disorders: diagnostic biomarkers and targeted drugs
Cohorts | Number of subjects | Gender | Diagnosis | Ethnicity | Age at the time of visit, mean (SD) | T test for age |
|---|---|---|---|---|---|---|
Discovery | ||||||
 Discovery cohort (within-subject changes in life stress VAS) Low life stress VAS ≤ 33 to high life stress VAS ≥ 67 Concordance with 1 other item (health stress, financial stress, social stress) | 36 (with 91 visits) | Male = 28 Female = 8 | BP 14 (38) MDD 7 (15) PSYCH 1 (3) PTSD 6 (16) SZ 6 (14) SZA 2 (5) | EA = 25 AA = 10 Hispanic = 1 | All = 49.8022 (10.3754) Low stress = 50.31 High stress = 49.30 |  |
Validation | ||||||
 Independent validation cohort (clinically severe stress PCL-C ≥ 50; life stress VAS ≥ 67) | 48 (75 visits) | Male = 35 Female = 13 | MDD = 13 BP = 8 SZ = 2 SZA = 7 PTSD = 13 MOOD = 4 | EA = 37 AA = 10 | 48.96 (8.4) | Discovery vs. validation 0.56523437 |
Testing | ||||||
 Independent testing cohort for predicting state (high stress state life stress VAS ≥ 67 at the time of assessment) | 122 (258 visits) | Male = 95 Female = 27 | BP = 53 MDD = 24 SZA = 15 SZ = 17 PTSD = 9 MOOD = 1 PSYCH = 3 | EA = 89 AA = 31 Mixed = 1 Hispanic = 1 | All = 45.5 (9.93) Others = 46.2 High Stress = 44.03 | High stress (n = 38) vs. others (N = 220) 0.50720396 |
 Independent testing cohort for predicting trait (future hospitalizations with stress in the first year following assessment) | 162 (398 visits) | Male = 144 Female = 18 | BP = 50 MDD = 27 SZA = 32 SZ = 39 PTSD = 8 MOOD = 3 PSYCH = 8 | EA = 101 AA = 58 Mixed = 1 Hispanic = 2 | All = 50.4 (8.19) Others = 48.6 Hosp with stress = 47.9 | Hosp with stress (n = 32) vs. others (n = 366) 0.7001408 |
 Independent testing cohort for predicting trait (future hospitalizations with stress in all years following assessment) | 186 (474 visits) | Male = 166 Female = 20 | BP = 56 MDD = 30 SZA = 47 SZ = 39 PTSD = 8 MOOD = 3 PSYCH = 3 | EA = 119 AA = 64 Mixed = 1 Hispanic = 2 | All = 50.45 (8.86) Others = 50.55 Hosp with Stress = 50.12 | Hosp with stress (n = 113) vs. others (n = 361) 0.65942853 |