Table 1.

Means, SDs and test statistics for baseline differences between the PE and CT groups

	PE (N=56)		CT (N=33)
	M	SD	M	SD	t(df)	p
Age	40.29	12.20	40.27	13.26	t(87)=.01	1.00
Duration of stay in ER	4.79	4.25	8.93	13.37	t(29.26)=−1.53	.14
# of days from event to first clinical interview	18.32	4.49	19.18	4.40	t(87)=−.88	.38
# of days from event to second clinical interview	140.98	27.70	152.58	30.42	t(87)= −1.84	.07
Total CAPS score at baseline	73.11	21.21	70.09	13.61	t(86.3)=.82	.42
CAPS score for avoidance/numbing symptoms at baseline	29.73	8.76	29.67	6.68	t(87)=.04	.97
CAPS score for intrusion symptoms at baseline	21.11	8.34	19.00	5.67	t(85.11)=1.42	.16
CAPS score for arousal symptoms at baseline	22.27	7.44	21.42	5.77	t(87)=.56	.58