. 2007 Jun 26;7:29. doi: 10.1186/1471-244X-7-29

Table 2.

Mean score and standard deviation for HSCL-25 at baseline and follow-up, according to Axis I disorders. Paired t-test and independent t-test.

	T1		T2
	Mean	SD	Mean	SD	P^a	P^b
Any Axis I disorder
Yes (123)	2.14	0.60	2.07	0.61	0.287	0.001
No (14)	1.60	0.42	1.49	0.53	0.445
Affective disorders
Yes (n = 85)	2.26	0.59	2.12	0.63	0.064	0.018
No (n = 50)	1.80	0.53	1.86	0.59	0.492
Major depression
Yes (n = 59)	2.27	0.61	2.15	0.61	0.177	0.44
No (n = 76)	1.95	0.58	1.93	0.63	0.802
Dysthymia
Yes (n = 50)	2.28	0.55	2.17	0.70	0.228	0.021
No (n = 83)	1.95	0.62	1.91	0.57	0.573
All anxiety disorders
Yes (n = 110)	2.18	0.61	2.10	0.63	0.267	< 0.001
No (n = 27)	1.69	0.43	1.64	0.49	0.583
Agoraphobia^c
Yes (n = 61)	2.33	0.57	2.20	0.63	0.178	0.001
No (n = 74)	1.87	0.57	1.86	0.60	0.816
Social anxiety disorder
Yes (n = 65)	2.34	0.60	2.24	0.60	0.286	< 0.001
No (n = 69)	1.86	0.52	1.80	0.59	0.485
Simple phobias
Yes (n = 60)	2.29	0.69	2.08	0.65	0.034	0.268
No (n = 76)	1.92	0.48	1.96	0.61	0.508
Generalized anxiety disorder
Yes (n = 25)	2.32	0.62	2.27	0.67	0.701	0.022
No (n = 112)	2.03	0.60	1.95	0.61	0.243
Post-traumatic stress disorder
Yes (n = 29)	2.35	0.66	2.07	0.57	0.035	0.558
No (n = 107)	2.01	0.58	1.99	0.65	0.739
Somatization disorder
Yes (n = 39)	2.35	0.60	2.21	0.62	0.291	0.022
No (n = 97)	1.97	0.59	1.94	0.62	0.558
Number of Axis I disorders
0 (n = 14)	1.60	0.42	1.49	0.53	0.445	< 0.001^d
1–3 (n = 58)	1.85	0.48	1.95	0.58	0.167
4 + (n = 65)	2.39	0.59	2.17	0.63	0.021

^aP value on paired t-test.

^bP value on independent t-test HSCL-25 T2.

^cAgoraphobia with and without panic attack.

^dOne-way ANOVA: number of Axis I disorders, df = 11, F = 3.5, P < 0.001.