Table 1. Background and Endoscopic/Radiographic Findings in All Participants Variable.

Variable	Control group (n=49)	IBS group (n=184)	P-value
Age (yr)	61.4±15.4	58.9±16.1	0.010a
Male/female	29 (59.2)/20 (40.8)	93 (50.5)/91 (49.5)	0.340b
Dysmotility	1 (2.0)	53 (28.8)	<0.001b
Morphological abnormality	12 (24.5)	143 (77.7)	<0.001b
Insertion time (min)	4.6±1.9	12.1±6.9	<0.001a

Values are presented as mean±SD or number (%).

^aUnpaired Student t-test.

^bFisher exact test.