From: Posttraumatic stress disorder and risk of selected autoimmune diseases among US military personnel
 | All service members | Men | Women | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Cases | IRa | HRb | 95% CI | Cases | IRa | HRb | 95% CI | Cases | IRa | HRb | 95% CI | |
No combat deployment | ||||||||||||
 No PTSD | 534 | 1.3 | 1.0 | Referent | 262 | 0.9 | 1.0 | Referent | 272 | 2.3 | 1.0 | Referent |
 PTSD | 48 | 2.3 | 1.5 | 1.1, 2.1 | 17 | 1.4 | 1.3 | 0.7, 2.2 | 31 | 3.6 | 1.6 | 1.1, 2.5 |
Combat deployment | ||||||||||||
 No PTSD | 221 | 1.2 | 1.0 | Referent | 155 | 1.1 | 1.0 | Referent | 66 | 2.0 | 1.0 | Referent |
 PTSD | 61 | 2.3 | 1.7 | 1.2, 2.4 | 39 | 1.9 | 1.5 | 0.9, 2.3 | 22 | 3.4 | 2.0 | 1.1, 3.7 |