Table 3.
AUC, 95% CI, and p Values from the ROC Curve Analysis for Select Demographic, Pre-Injury, and Injury Predictors on Clinical Levels of PTSD (n = 136)
| AUC | 95% CI | p | |
|---|---|---|---|
| Age | 0.57 | 0.42–0.71 | 0.43 |
| Years of service | 0.54 | 0.38–0.71 | 0.62 |
| Total months Deployed | 0.54 | 0.37–0.71 | 0.62 |
| Baseline mTBI Symptoms | 0.88 | 0.77–0.98 | 0.001 |
| Baseline PTS Symptoms | 0.94 | 0.89–0.99 | 0.001 |
| Previous history of blast/combo mTBI | 0.43 | 0.28–0.58 | 0.41 |
| Current mTBI Mechanism (blast/combo) | 0.49 | 0.33–0.65 | 0.92 |
| Positive radiology results | 0.70 | 0.54–0.85 | 0.02 |
AUC, area under the curve; CI, confidence interval; ROC, receiver operator characteristic; PTSD, post-traumatic stress disorder; mTBI, mild traumatic brain injury; PTS, post-traumatic stress.