A Randomized Controlled Trial Evaluating a Low-Volume PEG Solution Plus Ascorbic Acid versus Standard PEG Solution in Bowel Preparation for Colonoscopy

Table 1

Patient characteristics.

Variable	PEG-ELS	PEG-ASC	value
Number of patients	50	50
<70/≥70	25/25	25/25	1
Age (years)
mean ± SD	67.9 ± 9.4	64.6 ± 13.4	0.150
median (range)	69.5 (35–83)	68.5 (27–89)	0.841
<70; mean ± SD	57.4 + 9.5	56.9 + 10.3	0.842
≥70; mean ± SD	74.8 + 3.6	75.5 + 5.0	0.559
Male/female	32/18	33/17	0.834
<70	17/8	17/8	1
≥70	15/10	16/9	0.770
Body mass index (kg/m^2)	22.8 + 3.8	22.8 + 4.1	0.982
Reason for colonoscopy,
EMR/ESD	49	50	1
Anemia and advanced age	1	0

Chi-square test; Welch’s test. EMR, endoscopic mucosal resection; ESD, endoscopic submucosal dissection.