Table 1.
Characteristics of advanced colorectal neoplasia cases and controls at the procedure level (n=918)
| Case n = 58 n (%) |
Control n = 860 n (%) |
|
|---|---|---|
| Age at index colonoscopy, in years | ||
| 20–49 | 6 (10) | 139 (16) |
| 50–64 | 35 (60) | 500 (58) |
| 65–75 | 17 (29) | 221 (26) |
| Sex | ||
| Female | 28 (48) | 474 (55) |
| Male | 30 (52) | 386 (45) |
| Body mass index at index, in kg/m2 | ||
| <25 | 9(16) | 256 (30) |
| 25–29.99 | 27 (47) | 323 (38) |
| 30 + | 22 (38) | 265(31) |
| Missing | 0 | 16 (2) |
| Race/ethnicity | ||
| Non-white | 2 (3) | 68 (8) |
| White | 52 (90) | 746 (87) |
| Missing | 4 (7) | 46 (5) |
| Smoking status at index | ||
| Ever | 29 (50) | 414 (48) |
| Never | 22 (38) | 330 (38) |
| Missing | 7 (12) | 116 (13) |
| Time between index and subsequent colonoscopy | ||
| <1 year | 0 | 22 (3) |
| 1–2 years | 1 (2) | 70 (8) |
| 3–5 years | 11 (19) | 155 (18) |
| > 5 years | 46 (79) | 613 (71) |