The Efficacy of Short-Duration Polyethylene Glycol plus Electrolytes for Improving Bowel Preparation of Colonoscopy in Patients with Chronic Constipation
Table 2
The comparison between cases with and without improvement of bowel preparation.
Improved BP
Non-improved BP
value
Case number
77 (72.6)
29 (27.4)
Gender, (%), male : female
40 : 37 (51.9 : 48.1)
16 : 13 (55.2 : 44.8)
0.77
Age,
0.08
Age, (%), ≤74 : ≥75 years old
50 : 27 (64.9 : 35.1)
18 : 11 (62.1 : 37.9)
0.94
Body mass index,
0.36
Performance status (0 : ), (%)
71 : 6 (92.2 : 7.8)
21 : 8 (72.4 : 27.6)
0.01
Laxative combination, (%) Irritant laxative, (%)
25 (32.5) 14 (18.2)
10 (44.4) 9 (29.6)
0.84 0.15
Dose of PEG/day (13.7 g : 27.4 g), (%)
68 : 9 (88.3 : 11.7)
26 : 3 (89.7 : 10.3)
0.88
Colonoscopy
Cecal intubation, (%)
77 (100)
29 (100)
1.0
Insertion time (min),
0.03
Pain score,
0.02
Underlying disease
Hyperlipidemia, (%)
23 (29.9)
9 (31.0)
0.90
Colorectal surgery, (%)
14 (18.2)
2 (6.9)
0.25
Diabetes
10 (13.0)
3 (10.3)
0.97
Hypothyroidism
4 (5.2)
1 (3.4)
0.89
Hepatic or biliary disorder
4 (5.2)
0 (0.0)
0.49
Parkinson’s disease
0 (0.0)
1 (3.4)
0.60
Concomitant medication
Antacids, (%)
20 (26.0)
8 (27.6)
0.86
Calcium antagonists, (%)
21 (27.3)
7 (24.1)
0.74
Antidepressants, (%)
8 (10.4)
6 (20.7)
0.28
BP: bowel preparation; SD: standard deviation; PEG+E: polyethylene glycol plus electrolytes; pain score (0: no pain, 1: minimum pain, 2: moderate pain, and 3: severe pain).
