Use of automated irrigation pumps improves quality of bowel preparation for colonoscopy

Table 1 Baseline characters of the study population

	Manual flushes	Automated irrigation pumps	P value
n	328	709
Age, yr (mean, 95%CI)	60.0 (59.0-61.1)	60.3 (59.6-61.1)	0.70
Gender, n (%)			0.34
Female	18 (5.5)	49 (6.9)
Male	310 (94.5)	660 (93.1)
Race, n (%)			0.47
African-American	176 (53.7)	359 (50.6)
Caucasian	146 (44.5)	341 (48.1)
Others	6 (1.8)	9 (1.3)
Performed by: n (%)			0.42
Attending physician alone	65 (19.8)	156 (22.0)
GI fellow with attending physician	263 (80.2)	553 (78.0)
Indications, n (%)			0.09
Screening	191 (58.2)	373 (52.6)
Diagnostic	137 (41.8)	336 (47.4)
History of CRC/polyps, n (%)			0.55
No	238 (72.6)	527 (74.3)
Yes	90 (27.4)	182 (25.7)

GI: Gastroenterology; CRC: Colorectal cancer.