Table 2.

Parametric analysis of differences between group A (n=11) and group B (n=10) at baseline (T1), after 8 weeks of treatment (T2), and 3 months after treatment (T3): Perceived Stress Scale (PSS) and Symptom Checklist-90-Revised tests.

Scale			Group A, mean (SD)		Group B, mean (SD)		t test (df)		P value
PSS
	T1	22.09 (2.21)		20.40 (6.83)		0.75 (10.7)		.47
	T2	16.55 (5.45)		14.80 (5.45)		0.73 (19)		.47
	T3	18 (7.32)		10.29 (6.63)		2.22 (15)		.04
GSIa
	T1	60.36 (6.82)		55.70 (7.92)		1.45 (19)		.16
	T2	55.82 (6.82)		49.00 (8.60)		2.02 (19)		.06
	T3	53.89 (8.71)		47.00 (6.13)		1.67 (13)		.12
PSTb
	T1	62.82 (6.81)		58.20 (9.66)		1.28 (19)		.22
	T2	60.73 (10.38)		51.00 (12.13)		1.98 (19)		.06
	T3	57.00 (8.02)		48.83 (7.76)		1.96 (13)		.07
PSDIc
	T1	53.82 (5.64)		51.00 (8.01)		0.94 (19)		.36
	T2	48.91 (4.57)		47.80 (5.31)		0.51 (19)		.61
	T3	49.00 (6.04)		45.17 (4.21)		1.34 (13)		.20
Somatization
	T1	52.64 (7.45)		50.40 (8.51)		0.64 (19)		.53
	T2	49.64 (6.45)		47.50 (9.19)		0.62 (19)		.54
	T3	48.78 (7.17)		46.17 (9.56)		0.61 (13)		.56
Obsessiveness-compulsiveness
	T1	62.55 (8.95)		51.30 (7.63)		3.08 (19)		.006
	T2	56.55 (8.78)		48.20 (9.78)		2.06 (19)		.05
	T3	55.11 (8.04)		48.17 (7.52)		1.68 (13)		.12
Depression
	T1	63.27 (8.86)		57.80 (8.59)		1.43 (19)		.17
	T2	57.36 (9.29)		51.70 (8.41)		1.46 (19)		.16
	T3	57.44 (11.90)		47.33 (6.83)		1.87 (13)		.08
Anxiety
	T1	57.55 (10.21)		56.50 (9.17)		0.25 (19)		.81
	T2	59.27 (9.09)		49.60 (6.15)		2.82 (19)		.01
	T3	53.00 (6.67)		48.33 (3.50)		1.56 (13)		.14

^aGSI: Global Severity Index.

^bPST: Positive Symptom Total.

^cPSDI: Positive Symptom Distress Index.