Table 3.
Psychiatric status of patients and the analyses of these data across three comparison groups (normal, mild, and moderate-to-severe PTSD symptoms).
| Characteristics n (%); Mean (SD) | Total | Normal | Mild PTSD symptoms | Moderate-to-severe PTSD symptoms | X2/F | df | p |
|---|---|---|---|---|---|---|---|
| Overall | 284 | 160 (56.3) | 52 (18.3) | 72 (25.4) | |||
| Prior psychiatric disorder | 43 (15.4) | 16 (10.1) | 7 (14.3) | 20 (28.2) | 12.40 | 2 | 0.002 |
| Impact of Events Scale (IES) score | |||||||
| Total | 22.2 (14.8) | 11.2 (5.7) | 27.2 (2.5) | 43.0 (8.5) | |||
| Intrusion | 7.6 (6.3) | 3.1 (2.4) | 9.8 (2.6) | 15.8 (4.8) | |||
| Avoidance | 9.4 (5.2) | 6.3 (3.6) | 10.7 (2.8) | 15.4 (4.1) | |||
| Hyperarousal | 5.1 (4.9) | 1.7 (1.7) | 6.6 (2.3) | 11.7 (3.9) | |||
| Hospital Anxiety Depression Scale (HADS) | |||||||
| Anxiety score | 6.2 (4.6) | 3.7 [(3.1) | 6.9 (3.7) | 11.1 (4.0) | 101.92 | 2 | <0.001 |
| Depression score | 6.3 (4.3) | 4.7 (3.6) | 6.5 (3.6) | 9.9 (4.3) | 44.12 | 2 | <0.001 |
| Past traumatic events (# of experiences in LEC) | 5.9 (5.2) | 5.2 (4.7) | 7.2 [(5.6) | 6.6 (5.7) | 3.48 | 2 | 0.03 |
| Pittsburgh Sleep Quality Index (PSQI) | |||||||
| Sleep latency score | 1.3 (1.0) | 1.0 (0.9) | 1.4 (0.8) | 1.9 (0.9) | 19.91 | 2 | <0.001 |
| Sleep duration score | 0.8 (0.9) | 0.6 (0.8) | 0.9 (1.0) | 1.4 (1.0) | 14.89 | 2 | <0.001 |
| Sleep disturbance score | 1.2 (0.6) | 0.9 (0.4) | 1.5 (0.6) | 1.7 (0.7) | 42.07 | 2 | <0.001 |
| Subjective sleep quality score | 1.2 (0.7) | 0.9 (0.6) | 1.4 (0.7) | 1.8 (0.7) | 33.14 | 2 | <0.001 |
| MINI Suicidality score | 0.3 (1.2) | 0.1 (0.8) | 0.08 (0.27) | 0.9 (2.1) | 52.17 | 2 | <0.001 |