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Updated: Jun 8, 2026
06:28
E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
Published on: August 1, 2019
Comprehensive validation of the Boston Bowel Preparation Scale
Audrey H Calderwood1, Brian C Jacobson
1Section of Gastroenterology, Boston University Medical Center, 85 East Concord Street, 7th Floor, Boston, MA 02118, USA. audrey.calderwood@bmc.org
Gastrointestinal Endoscopy
|October 2, 2010
Summary
The Boston Bowel Preparation Scale (BBPS) is a validated tool for assessing colonoscopy cleanliness, demonstrating high reliability. Improved BBPS scores correlate with better polyp detection rates, making it a valuable instrument for improving colonoscopy quality.
Area of Science:
- Gastroenterology
- Medical Device Validation
- Endoscopic Procedures
Background:
- The Boston Bowel Preparation Scale (BBPS) is a novel tool for rating bowel cleanliness during colonoscopy.
- Previous validation of the BBPS was partial, necessitating further assessment.
Purpose of the Study:
- To fully validate the Boston Bowel Preparation Scale (BBPS).
- To evaluate the ease of disseminating the BBPS for widespread adoption.
Main Methods:
- An observational study involving endoscopists viewing colonoscopy videos.
- Gastroenterologists rated bowel cleanliness using BBPS segment and total scores.
- Global endoscopists were surveyed on BBPS implementation after viewing an instructional video.
Main Results:
- The BBPS demonstrated excellent interrater reliability (ICC=0.91) and substantial intrarater reliability (weighted κ=0.78).
- Higher BBPS segment scores (2 or 3) were associated with increased polyp detection rates.
- Endoscopists worldwide found the BBPS easy to implement and applicable to diverse patient populations.
Conclusions:
- The BBPS is a valid and reliable instrument for assessing bowel cleanliness in colonoscopy.
- BBPS segment scores offer a standardized method for determining bowel preparation adequacy.
- The BBPS is easily disseminable via a brief instructional video.
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