Abstract 261
| Predictor variable | Odds ratio | 95% CI | p Value |
|---|---|---|---|
| Year of procedure (v 1999) | 1.15 | 1.08 to 1.23 | <0.001 |
| Age | 1 | 0.99 to 1 | 0.29 |
| Colonoscopy number (v 101–200) | 0.002 | ||
| 201–300 | 1.61 | 1 to 2.6 | 0.05 |
| 301–400 | 1.57 | 1 to 2.44 | 0.45 |
| >401 | 1.93 | 1.38 to 2.7 | <0.001 |
| Gender (male to female ratio) | 1.49 | 1.26 to 1.76 | <0.001 |
| Specialty (GI surgeon to GI physician ratio) (1700:1392) | 0.40 | 0.29 to 0.55 | <0.001 |
| Use of Midazolam (n = 3019) | 1.96 | 1.25 to 3.08 | 0.003 |
| Use of Fentanyl (n = 530) | 0.7 | 0.38 to 1.35 | 0.3 |
| Use of Pethidine (n = 420) | 0.43 | 0.17 to 1.07 | 0.7 |
| Use of Fortral (n = 1216) | 0.98 | 0.94 to 1.01 | 0.13 |
| Quality of bowel prep | <0.001 |