Table 2. Descriptive data and mean differences of the clinical variables for independent groups before and after treatment.

	TG (n=12)		CG (n=13)
Variables	pretest	postest	pretest	postest	F	p
PSS	33.42 ± 6.51	26.25 ± 5.08	34.69 ± 7.46	24.69 ± 9.21	0.00	0.95
STAI-State	33.50 ± 8.45	25.08 ± 6.03	33.46 ± 11.03	25.15 ± 10.99	0.00	0.99
STAI-Trait	39.50 ± 6.58	31.83 ± 6.01	39.46 ± 8.66	27.69 ± 10.84	0.55	0.46
BDI-II	25.83 ± 11.04	13.50 ± 9.04	27.61 ± 11.03	14.77 ± 8.66	0.19	0.66
GSRS	43.33 ± 9.35	31.42 ± 11.20	41.38 ± 13.17	31.62 ± 11.02	0.04	0.84
SF36-BP	37.81 ± 7.65	46.88 ± 9.58	39.51 ± 7.79	43.20 ± 9.84	0.09	0.75
SF36-PSC	45.58 ± 8.20	49.40 ± 7.71	50.65 ± 8.11	50.93 ± 5.31	1.45	0.24
SF36-MSC	32.03 ± 5.31	38.49 ± 4.49	30.05 ± 9.95	40.31 ± 7.77	0.00	0.97

Note. The data shows the mean ± SD. (PSS) Perceived Stress Scale; (STAI) State-Trait Anxiety Inventory; (BDI-II) Beck Depression Inventory; (GSRS) Gastrointestinal Symptom Rating Scale; (SF-36) Short Form 36 Health Survey (BP) Body pain, (PSC) Physical Summation Component y (MSC) Mental Summation Component.