• Wei Lu, Kena Zhou, Congbo Cai, Yi He, Honggang Jiang, and Xinke Li.
• Endoscopy Center, Ningbo No.9 Hospital, Ningbo, China.
• Medicine (Baltimore). 2022 Jul 8; 101 (27): e29897e29897.

BackgroundTo evaluate the effects on the Boston Bowel Preparation Scale (BBPS) score with different bowel preparation times and dosages.MethodsSix hundred patients who underwent colonoscopy in the Endoscopy Center of Ningbo No.9 Hospital in 2021 were recruited and randomly assigned to 3 groups: Group A: "4-hour 1 + 2L" bowel preparation regimen; Group B: "6-hour 1 + 2L" bowel preparation regimen; and Group C: "4-hour 0 + 2L" bowel preparation regimen. BBPS score among these groups is compared and analyzed in the Statistical Product and Service Solutions software.ResultsThere was no difference in baseline characteristics among the three groups of patients (P > .05). There was no significant difference in the BBPS score between Group B and Group C, whereas the BBPS score in Group A was significantly higher than that in Groups B and C (P < .05).ConclusionThe "4-hour 1 + 2L" bowel preparation regimen can obtain higher BBPS score for colonoscopy, which is suggested to be the optimal plan for colonoscopy patients of the time and dosage. Definitely, higher BBPS score can improve the quality of colonoscopy diagnosis and treatment consequence.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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