Optimal Timing of Simethicone Supplement for Bowel Preparation: A Prospective Randomized Controlled Trial

Table 2

BS and BBPS scores.

	SIM evening group (n = 208)	SIM morning group (n = 211)	value	Effect size
Overall solution intake, n (%)
Yes	204 (98.1%)	205 (97.2%)	0.54^a	—
No	4 (1.9)	6 (2.8%)
BS scores (mean ± SD)
Total scores	8.76 ± 0.90	8.65 ± 1.16	0.28^b	0.13
Right colon	2.95 ± 0.26	2.88 ± 0.38	0.04^b	0.20
Transverse colon	2.89 ± 0.36	2.85 ± 0.47	0.38^b	0.09
Left colon	2.93 ± 0.34	2.92 ± 0.38	0.81^b	0.03
BBPS scores (mean ± SD)
Total scores	8.59 ± 0.94	8.45 ± 1.00	0.15^b	0.14
Right colon	2.80 ± 0.43	2.72 ± 0.50	0.07^b	0.18
Transverse colon	2.87 ± 0.36	2.84 ± 0.43	0.42^b	0.08
Left colon	2.90 ± 0.33	2.90 ± 0.36	0.81^b	0.02

Note. BS, Bubble Scale; BBPS, Boston Bowel Preparation Scale; SD, standard deviation; a, Pearson’s χ2 test; b, Student’s t-test.