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Table 4 Procedure time and polyp detection rate

From: A randomized controlled trial of an educational video to improve quality of bowel preparation for colonoscopy

  Non-video group Video group p value
Patients, n 252 250  
Insertion time, minutes (mean ± SD) 6.1 ± 3.7 5.5 ± 3.2 0.043
Withdrawal time, minutes (mean ± SD) 6.9 ± 3.9 6.6 ± 2.7 0.259
Patients with polyps, n (%) 34 (13.5) 34 (13.6) 0.963
Total number of polyps, n (%) 48 (19.0) 48 (19.2) 0.963