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Table 4 Effect of fellow participation on procedure duration

From: One-day oral polyethylene glycol based cleanout is effective for pre-colonoscopy preparation in children

  # of Cases Duration/minutes (Mean ± SD)
Total 439 23.5 ± 11.9
Attending Only 299 22 ± 11.1
Fellow 140 27.1 ± 12.6
p value   < 0.0001
Fellow Yr1 69 30.2 ± 13.5
Fellow Yr2 64 21.8 ± 9.0
Fellow Yr3 22 31.0 ± 14.0
p value   < 0.0001