TABLE 2.

Plasma oxytocin (OT) levels (pg/ml, mean+SD) in patients with PTSD and healthy subjects (HS) (in the total sample and in the two sexes).

	OT
Total patients	4.37 ± 1.61*
M	4.41 ± 1.36
F	4.13 ± 1.15
Total HS	5.64 ± 2.18
M	5.08 ± 1.36
F	6.92 ± 2.05**

*Significant: P > HS; p > 0.001. **Significant F > M T-test: p > 0.0 = 1.