Table 4. Association between detection of cancer precursors and physician characteristics.
| N | Adenoma Detected OR (95% CI) | Proximal Adenoma Detected OR (95% CI) | Distal Adenoma Detected OR (95% CI) | |
|---|---|---|---|---|
|
|
||||
| Physician Sex | ||||
| Female | 37 | 1.26 (1.004, 1.59) | 1.19 (0.97, 1.46) | 1.25 (1.02, 1.52) |
| Male | 164 | Ref | Ref | Ref |
| Primary specialty | ||||
| Gastroenterology | 172 | 1.71 (1.38, 2.12) | 2.03 (1.57, 2.62) | 1.28 (1.07, 1.53) |
| Other | 29 | Ref | Ref | Ref |
| Years in Practice | ||||
| ≤9 | 53 | 1.45 (1.16, 1.82) | 1.55 (1.22, 1.97) | 1.24 (1.004, 1.52) |
| 10-18 | 49 | 1.27 (0.99, 1.63) | 1.24 (0.97, 1.59) | 1.02 (0.79, 1.31) |
| 19-26 | 51 | 1.18 (0.95, 1.48) | 1.25 (0.995, 1.58) | 1.05 (0.82, 1.36) |
| 27-51 | 48 | Ref | Ref | Ref |
| Colonoscopies performed2 | ||||
| 30-115 | 51 | Ref | Ref | Ref |
| 116-278 | 50 | 0.90 (0.74, 1.09) | 0.93 (0.76, 1.15) | 0.81 (0.63, 1.03) |
| 279-771 | 50 | 0.88 (0.72, 1.08) | 0.89 (0.71, 1.11) | 0.74 (0.58, 0.94) |
| 772-2654 | 50 | 1.08 (0.88, 1.31) | 1.12 (0.92, 1.37) | 0.84 (0.66, 1.07) |
Notes:
1
Multivariable models include patient age, sex, colonoscopy indication, physician years in practice, gender, specialty, and volume. Standard errors are clustered at the physician level.
2
Volume of colonoscopies performed is measured over two-year period