. Author manuscript; available in PMC: 2011 Feb 1.

Published in final edited form as: Aliment Pharmacol Ther. 2009 Oct 23;31(3):424–431. doi: 10.1111/j.1365-2036.2009.04180.x

Table 3.

Unadjusted and Adjusted Quality of Life in Women with Irritable Bowel Syndrome and Women without Irritable Bowel Syndrome

QOL score	No IBS	IBS	P-value
SF-36 MCS
Unadjusted^*	44.6 (44.4, 44.8)	43.1 (42.2, 43.9)	<0.01
Adjusted^†	44.6 (44.3, 44.9)	43.3 (42.5, 44.2)	<0.01
SF-36 PCS
Unadjusted^*	46.3 (46.0, 46.5)	43.7 (42.7, 44.7)	<0.01
Adjusted^†	46.2 (45.9, 46.5)	44.4 (43.5, 45.2)	<0.01

IBS=Irritable Bowel Syndrome; SF-36 MCS=Short Form-36 Mental Component Scores; SF-36 PCS=Short Form-36 Physical Component Scores

Based on univariate statistics from standard t-tests for continuous variables.

^†

Based on multivariate linear regression models where IBS was treated as an independent variable and the outcome was treated as the dependent variable. All models were adjusted for age, race, diabetes, urgency, urinary incontinence, symptomatic pelvic organ prolapse, hysterectomy, colon surgery and pelvic organ prolapse surgery.