Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastrointest Endosc. Mar 25, 2016; 8(6): 295-300
Published online Mar 25, 2016. doi: 10.4253/wjge.v8.i6.295
Table 1 Baseline characters of the study population
Manual flushesAutomated irrigation pumpsP value
n328709
Age, yr (mean, 95%CI)60.0 (59.0-61.1)60.3 (59.6-61.1)0.70
Gender, n (%)0.34
Female18 (5.5)49 (6.9)
Male310 (94.5)660 (93.1)
Race, n (%)0.47
African-American176 (53.7)359 (50.6)
Caucasian146 (44.5)341 (48.1)
Others6 (1.8)9 (1.3)
Performed by: n (%)0.42
Attending physician alone65 (19.8)156 (22.0)
GI fellow with attending physician263 (80.2)553 (78.0)
Indications, n (%)0.09
Screening191 (58.2)373 (52.6)
Diagnostic137 (41.8)336 (47.4)
History of CRC/polyps, n (%)0.55
No238 (72.6)527 (74.3)
Yes90 (27.4)182 (25.7)
Table 2 Colonoscopy results stratified by the use of the automated irrigation pumps
Manual flushesAutomated irrigation pumpsOdds ratio (95%CI)
P value
n328709
Prep quality, n (%)2.91 (2.04-4.15)
P < 0.01
Sub-optimal prep80 (24.4)73 (10.3)
Satisfactory prep248 (75.6)636 (89.7)
Procedure aborted due to poor prep, n (%)2.45 (0.92-6.50)
P = 0.10
No323 (98.5)684 (96.5)
Yes5 (1.5)25 (3.5)
Recommendation to repeat early due to prep quality, n (%)0.27 (0.18-0.40)
P < 0.01
No258 (78.7)660 (93.1)
Yes70 (21.3)49 (6.9)
Polyp detection, n (%)0.85 (0.64-1.12)
P = 0.60
Yes194 (59.2)407 (57.4)
No134 (40.8)302 (42.6)
Adenoma detection, n (%)0.99 (0.75-1.31)
P = 0.65
Yes133 (40.6)298 (42.0)
No195 (59.4)411 (58.0)