Small Intestinal Bacterial Overgrowth in Patients with Irritable Bowel Syndrome: Clinical Characteristics, Psychological Factors, and Peripheral Cytokines

Table 1

Baseline demographic factors of the patients and controls.

	Patients with IBS	Healthy controls	p value
	()	()
Age in years, mean ± SD	45.7 ± 12.9	43.3 ± 8.6	0.595
Sex, male/female	47/42	9/4	0.266
BMI, kg/m^2	22.1 ± 5.8	24.5 ± 2.9	0.245
Anxiety, mean ± SD	5.17 ± 3.16	2.77 ± 1.64	0.009
Depression, mean ± SD	5.52 ± 3.30	3.54 ± 2.50	0.041
LES	40.0 (11.0–75.0)	8.0 (0.0–35.0)	<0.001