Table 1 Clinical characteristics of samples in discovery and replication cohorts
From: Gene expression associated with PTSD in World Trade Center responders: An RNA sequencing study
All | Current N = 81 | Past N = 42 | Never N = 201 | P-value |
|---|---|---|---|---|
Age | ||||
Mean (SD) | 52.94 (7.96) | 51.57 (7.76) | 51.36 (8.26) | 0.331 |
Race N (%) | ||||
Caucasian | 69 (85.2) | 33 (78.6) | 181 (90.0) | 0.100 |
Other | 12 (14.8) | 9 (21.4) | 20 (10.0) | |
Discovery | Current N = 57 | Never N = 138 | P-value | |
Age | ||||
Mean (SD) | 54.25 (7.82) | 51.77 (8.46) | 0.052 | |
Race N (%) | ||||
Caucasian | 49 (86.0) | 123 (89.1) | 0.705 | |
Other | 8 (14.0) | 15 (10.9) | ||
Replication | Current N = 24 | Never N = 63 | P-value | |
Age | ||||
Mean (SD) | 49.83 (7.57) | 50.46 (7.78) | 0.734 | |
Race N (%) | ||||
Caucasian | 20 (83.3) | 58 (92.1) | ||
Other | 4 (16.7) | 5 (7.9) | 0.423 | |
