Table 2 Outcome of bowel preparation
3 L split-dose group (n = 345) | 2 L group (n = 350) | P value* | |
|---|---|---|---|
Adequate bowel preparation, n (%) | |||
Left colon | 319 (92.5) | 313 (89.4) | 0.163 |
Transverse colon | 335 (97.1) | 330 (94.3) | 0.068 |
Right colon | 298 (86.4) | 285 (81.4) | 0.076 |
Total | 280 (81.2) | 262 (74.9) | 0.045 |
BBPS score, mean ± SD | |||
Left colon | 2.33±0.62 | 2.18±0.64 | 0.003 |
Transverse colon | 2.41±0.55 | 2.28±0.58 | 0.002 |
Right colon | 1.98±0.51 | 1.91±0.56 | 0.070 |
Total | 6.71±1.15 | 6.37±1.31 | <0.001 |
Bowel-cleansing grades, n (%) | 0.006 | ||
Excellent | 91 (26.4) | 57 (16.3) | |
Good | 189 (54.8) | 205 (58.6) | |
Fair | 64 (18.6) | 85 (24.3) | |
Poor | 1 (0.3) | 3 (0.9) | |
Total polyps detected | 735 | 696 | |
Polyps per colonoscopy, median (IQR) | 1 (0-3) | 1 (0-2) | 0.030 |
Polyp detection rate, n (%) | 214 (62.0) | 183 (52.9) | 0.015 |
Cecal intubation rate, n (%) | 344 (99.7) | 349 (99.7) | 0.992 |
Other endoscopic findings | |||
Submucosal tumor | 6 (1.7) | 5 (1.4) | 0.734 |
Colonic diverticula | 17 (4.9) | 26 (7.4) | 0.171 |