A Measure of Suffering in relation to Anxiety and Quality of Life in IBS Patients: Preliminary Results

Table 1

Means, standard deviations, ranges, and reliability coefficients for IBS-36, SF-36 (physical and mental component), STAI-T, VSI, SIS, and symptom severity.

Scale		SD	Scale range	Obtained range	Cronbach alpha
IBS-36	50.43	32.52	0–216	0–141	.94
SF-36 PC	75.72	13.92	0–100	41.43–97.86	.82
SF-36 MC	66.92	19.36	0–100	21.07–95.36	.90
STAI-T	35.27	12.47	0–80	1–59	.92
VSI	27.84	14.14	0–60	2–55	.93
SIS	46.05	25.57	0–93	0–92
Symptom severity	1.41	0.38	0–4	0.60–2.05