Table 2.

Comparison of bowel preparation quality between short and long S-C groups in the training cohort.

Outcomes	Short S-C group (N=182)	Long S-C group (N=182)	P value
	Median (range)	Median (range)
BBPS score
Total	8.00 (4.00–9.00)	7.00 (3.00–9.00)	<0.001
Right-side colon	2.00 (1.00–3.00)	2.00 (0.00–3.00)	<0.001
Transverse colon	3.00 (2.00–3.00)	3.00 (1.00–3.00)	0.001
Left-side colon	3.00 (1.00–3.00)	2.00 (1.00–3.00)	<0.001

S-C – time interval between oral simethicone and the start of colonoscopy; BBPS – Boston Bowel Preparation Scale.