Table 3. Detection of pre-cancerous lesions used in quality metrics by patient characteristics (unadjusted).
| Number of Colonoscopies (n) | Adenoma Detection Rate (%) | Proximal ADR (%) | Distal ADR (%) | |
|---|---|---|---|---|
|
| ||||
| Overall | 104,619 | 35.0 | 24.9 | 12.7 |
|
| ||||
| Sex | ||||
| Female | 55,325 | 29.9 | 21.0 | 10.4 |
| Male | 48,065 | 40.9 | 29.4 | 15.3 |
|
| ||||
| Age | ||||
| 40-49 | 8,652 | 22.1 | 13.4 | 9.1 |
| 50-59 | 37,936 | 31.5 | 21.0 | 12.2 |
| 60-69 | 35,121 | 37.5 | 27.5 | 13.0 |
| 70+ | 22,814 | 42.3 | 17.9 | 14.4 |
|
| ||||
| Indication | ||||
| Screening, no family history | 36,989 | 32.0 | 22.0 | 12.3 |
| Screening, with family history | 9,944 | 30.5 | 20.9 | 11.2 |
| Surveillance | 32,947 | 45.3 | 34.3 | 14.9 |
| Diagnostic | 22,013 | 28.1 | 18.7 | 11.2 |
| Missing | 2,698 | 24.6 | 17.1 | 8.6 |
Note: Adenomas include conventional adenomas, serrated polyps and carcinomas.