The Efficacy of 480 ml Oral Sodium Sulfate for Improving Insufficient Bowel Preparation of Colonoscopy with High-Concentrated Polyethylene Glycol

Table 2

The comparison between cases with and without improvement of bowel preparation using 480 ml OSS.

	Improved BP	Nonimproved BP	value
Case number	88 (70.4)	37 (29.6)
Age,			0.72
Age, (%), ≤74: ≥75	44 (50.0): 44 (50.0)	20 (54.1): 17 (45.9)	0.67
Gender, (%), male: female	55 (62.5): 33 (37.5)	22 (59.5): 15 (40.5)	0.74
Body mass index,			0.32
Underlying disease
Diverticulum, (%)	33 (37.5)	13 (35.1)	0.80
Colorectal surgery, (%)	23 (26.1)	11 (29.7)	0.68
Diabetes, (%)	17 (19.3)	7 (18.9)	0.95
Parkinson’s disease	1 (1.1)	2 (5.4)	0.43
Concomitant medication
Laxatives, (%)	22 (25.0)	12 (32.4)	0.39
Antidepressants, (%)	9 (10.2)	1 (2.7)	0.29
Colonoscopy
Cecal intubation rate, (%)	88 (100.0)	37 (100.0)	1.0
Insertion time (min),			0.03
Pain score,			0.69
Total procedure time (min),			0.51
Adenoma detection, (%)	56 (63.6)	23 (62.2)	0.93
SSL detection, (%)	17 (19.3)	9 (24.3)	0.52

OSS: oral sulfate solution; SD: standard deviation; BP: bowel preparation; SSL: sessile serrated lesions.