Skip to main content
. 2011 Dec;25(12):657–662. doi: 10.1155/2011/486084

TABLE 3.

Mean bowel Ottawa Bowel Preparation Scale cleansing scores according to colonoscopy preparation group

Morning and afternoon colonoscopy groups combined
Preparation group
P*
4L PEG (n=210) 2L PEG+B (n=210) NaP (n=164) PSMC+M (n=194)
Right colon 1.35 1.10 2.04 1.37 <0.0001
Middle colon 0.89 0.82 1.24 0.88 0.001
Rectosigmoid colon 0.96 0.86 1.13 0.71 0.007§
Overall fluid 0.62 0.66 0.46 0.54 0.002
Total score (95% CI) 3.72 (3.29– 4.14) 3.36 (2.99–3.73) 4.83 (4.35–5.32) 3.46 (3.08–3.84) <0.0001**
*

Corrected for multiple comparisons;

Significant difference between NaP and 4 L PEG, between NaP and 2 L PEG+B, and between NaP and PSMC;

Significant difference between NaP and 4L PEG, between NaP and 2 L PEG+B, and between NaP and PSMC.

§

Significant difference between NaP and PSMC;

Significant difference between NaP and 2 L PEG+B;

**

Significant difference between NaP and 4L PEG, between NaP and 2 L PEG+B, and between NaP and PSMC. B Bisacodyl; M Magnesium citrate; NaP Sodium phosphate; PEG Polyethylene glycol; PSMC Pico-Salax (Ferring Pharmaceuticals Inc, Canada)