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Randomized Controlled Trial
Copyright ©The Author(s) 2026.
World J Gastrointest Pharmacol Ther. Mar 5, 2026; 17(1): 112825
Published online Mar 5, 2026. doi: 10.4292/wjgpt.v17.i1.112825
Table 1 Baseline characteristics of all included patients, n (%)/mean ± SD
Characteristic
Value
Age (years)62.58 ± 7.587
Male sex50 (58.8)
Indication85 (100)
Screening75 (88,2)
Surveillance7 (8.2)
Insertion time (minutes)5.84 ± 2.52
Bristol Bowel Preparation score8.57 ± 1.011
Position change 79 (96.3)
Butylscopolamine 39 (47.5)
Withdrawal time (minutes)7.2 ± 2.140
Table 2 Comparison of baseline characteristics between the two groups, n (%)/mean ± SD
Characteristic
CAD (n = 39)
CAD and E (n = 43)
P value
Age (years)63 ± 862 ± 70.453
Sex (male/female)20/1929/140.117
Bristol Bowel Preparation score8.5 ± 0.98.7 ± 0.50.137
Insertion time (minutes)5.82 ± 2.735.86 ± 2.340.943
Position change37 (94.8)42 (97.6)0.456
Butylscopolamine9 (30)30 (69.7)< 0.001
Withdrawal (minutes)7.2 ± 1.77.2 ± 2.50.887
Discomfort (≥ 1)16 (41)19 (44.1) 0.474