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Bowel Preparation Instructions for Outpatient Colonoscopy Delivered by a Specialist Endoscopy Nurse was Superior to That Delivered by an Endoscopist

1.3. Results: Four-thousand-eight-hundred-and-seventy-seven subjects (85.0%) were in the Nurse group while 860 subjects (15.0%) were in the Endoscopist group. A total Boston Bowel Preparation Score ≥6 was achieved in 4721 of the 4877 (96.8%) subjects in the Nurse group when compared with 807 of the 860 (93.8%) subjects in the Endoscopist group (p<0.001). A total of 1624 of the 5737 (28.3%) subjects had adenomas on colonoscopy. There was no significant difference in the adenoma detection rate in the Nurse group when compared with the Endoscopist group [1388/4877 (28.5%) vs. 236/860 (27.4%), p=0.285]. There was also no significant difference in the total number of adenomas detected in the Nurse group when compared with the Endoscopist group [mean± standard deviation 0.48±1.08 vs. 0.44±1.18, p=0.412].