Quality of bowel preparation | Good | Satisfactory | Poor |
No. colonoscopies (%) | 2458 (77.8) | 1361 (30.6) | 623 (14.0) |
Polyp detection (%) | 536 (21.8) | 285 (20.9) | 132 (21.2) |
Mean no. polyps (range) | 0.48 (0–20) | 0.44 (0–9) | 0.44 (0–9) |
Mean no. polyps detected (where present) [median] | 2.21 [2] | 2.11 [2] | 2.06 [1] |