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Efficacy of bowel cleansing by Ottawa scoring system (mean ± SD)
| Variables | Group I (n = 79) | Group II (n = 73) | P value |
| Right colon | 1.4 ± 1.1 | 1.3 ± 1.1 | NS |
| Mid colon | 1.0 ± 0.9 | 0.8 ± 0.9 | NS |
| Rectosigmoid colon | 1.3 ± 0.9 | 1.2 ± 1.0 | NS |
| Fluid present | 0.7 ± 0.6 | 0.4 ± 0.6 | NS |
| Overall score | 4.4 ± 2.6 | 3.8 ± 3.0 | NS |
NS: Not significant.
