Table 4.

Number and severity of symptoms for the 3 clusters – Median-split

CLUSTER ITEM		NUMBER IN		MEAN	SD	P*
		Lower 50%	Upper 50%
	PTSD
Re-experiencing (B)
Number of symptoms Md: ≤ 3	Yes	2	7	3.67	1.41
	No	6	5	2.18	1.94	0.072
Severity score Md: 4.5	Yes	3	6	7.11	4.43
	No	7	4	3.36	3.04	0.038
Avoidance (C)
Number of symptoms Md: 3.5	Yes	2	7	5.11	1.36
	No	8	3	3.00	2.10	0.018
Severity score Md: 6.5	Yes	3	6	10.78	5.43
	No	7	4	4.82	4.19	0.013
Hyper-arousal (D)
Number of symptoms Md: ≤ 3	Yes	5	4	3.78	1.20
	No	8	3	2.27	1.74	0.041
Severity score Md: 4.0	Yes	4	5	7.78	4.66
	No	6	5	4.60	3.66	0.115
Total number of symptoms endorsed Md: <14.5	Yes	2	7	12.67	3.39
	No	8	3	7.18	5.72	0.021
Total symptom severity score Md: 9.5	Yes	3	6	25.67	13.77
	No	7	4	12.36	9.60	0.020

* Derived from ANOVA analysis