Table 9.
Use of nitrous oxide and oxygen gas, intravenous sedation and intravenous analgesia
| SC | EAC | Difference (one-sided 97.5% CI) | Non-inferiority margin or one-sided P value | |
| Nitrous oxide and oxygen gas | ||||
| Global | 291 (32.9%) | 283 (31.9%) | −1.0% (−∞ to 3.3%) | 10% |
| Non-BCSP | 209 (43.5%) | 180 (36.4%) | −7.0% (−∞ to −0.9%) | 10% |
| BCSP | 82 (20.4%) | 103 (26.2%) | 5.9% (−∞ to 11.7%) | 10% |
| Intravenous sedation | ||||
| Global | 591 (66.9%) | 586 (66.1%) | −0.8% (−∞ to 3.6%) | 10% |
| Non-BCSP | 349 (72.6%) | 357 (72.3%) | −0.3% (−∞ to 5.3%) | 10% |
| BCSP | 242 (60.1%) | 229 (58.3%) | −1.8% (−∞ to 5.0%) | 10% |
| Intravenous analgesia | ||||
| Global | 582 (65.8%) | 588 (66.3%) | 0.5% (−∞ to 4.9%) | 10% |
| Non-BCSP | 342 (71.1%) | 360 (72.9%) | 1.8% (−∞ to 7.4%) | 10% |
| BCSP | 240 (59.6%) | 228 (58.0%) | −1.5% (−∞ to −5.3%) | 10% |
BCSP, Bowel Cancer Screening Programme; EAC, EV-assisted colonoscopy; SC, standard colonoscopy.