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1.
Figure 2

Figure 2. From: The Boston Bowel Preparation Scale: A valid and reliable instrument for colonoscopy-oriented research.

Distribution of Boston Bowel Preparation Scale scores applied during 633 screening colonoscopies. The distribution approximates a bell-shaped curve with a median score of 6 and an interquartile range of 6-7.

Edwin J. Lai, et al. Gastrointest Endosc. ;69(3 Pt 2):620-625.
2.
Figure 3

Figure 3. From: The Boston Bowel Preparation Scale: A valid and reliable instrument for colonoscopy-oriented research.

We determined the mean (SD) Boston Bowel Preparation Scale score (y-axis) assigned for each categorical bowel preparation rating (x-axis) observed during 633 screening colonoscopies. The decreasing trend in scores across decreasing categorical preparation qualities was statistically significant (p<0.001).

Edwin J. Lai, et al. Gastrointest Endosc. ;69(3 Pt 2):620-625.
3.

Figure 1. From: The Boston Bowel Preparation Scale: A valid and reliable instrument for colonoscopy-oriented research.

The Boston Bowel Preparation Scale (BBPS). A, segment score 0: unprepared colon segment with mucosa not seen due to solid stool that cannot be cleared. B, segment score 1: portion of mucosa of the colon segment seen, but other areas of the colon segment not well seen due to staining, residual stool and/or opaque liquid. C, segment score 2: minor amount of residual staining, small fragments of stool and/or opaque liquid, but mucosa of colon segment seen well. D, segment score 3: entire mucosa of colon segment seen well with no residual staining, small fragments of stool and/or opaque liquid

Edwin J. Lai, et al. Gastrointest Endosc. ;69(3 Pt 2):620-625.

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