Performance by specialty (95% CI in brackets)
| Physician | Surgeon | Nurse | SAS | GP | |
| Procedures | 10 690 | 6003 | 2287 | 713 | 257 |
| Caecal intubation rate (CIR) | 93.5% (93.1–94.0) | 90.2% (89.3–90.8) | 91.3% (90.0–92.3) | 93.3% (91.2–94.9) | 94.9% (91.5–97.0) |
| Adjusted CIR | 96.6% (96.2–97.0) | 95.4% (94.8–95.9) | 95.5% (94.6–96.3) | 96.7% (95.0–97.8) | 96.8% (93.9–98.4) |
| Incomplete: pain or uncontrolled loops | 3.0% (2.7–3.4) | 5.1% (4.6–5.7) | 4.3% (3.5–5.2) | 3.5% (2.4–5.1) | 1.6% (0.6–3.9) |
| Incomplete: stricture or obstruction | 1.7% (1.5–2.0) | 2.7% (2.3–3.1) | 2.0% (1.5–2.7) | 0.6% (0.2–1.4) | 0.8% (0.2–2.8) |
| Incomplete: poor bowel preparation | 1.6% (1.3–1.8) | 1.7% (1.4–2.0) | 2.3% (1.7–3.0) | 2.7% (1.7–4.1) | 2.3% (1.1–5.0) |
| Polyp detection rate | 33.5% (32.6–34.4) | 31.9% (30.7–33.2) | 30.0% (28.1–31.9) | 23.3% (20.3–26.5) | 30.0% (24.7–35.8) |
| Comfort score ≥4 | 9.0% | 11.9% | 8.7% | 10.0% | 8.2% |
| <70 Years, pethidine >50 mg | 0.3% | 0.4% | 0.0% | 0.6% | 0.0% |
| ≥70 Years, pethidine >25 mg | 3.3% | 7.0% | 3.0% | 3.7% | 6.1% |
| <70 Years, midazolam >5.0 mg | 0.7% | 0.9% | 0.4% | 0.8% | 0.9% |
SAS, associate specialist or staff grade; GP, general practitioner or family doctor.