Table 1.
Patients with negative baseline colonoscopy and follow-up colonoscopy within 10 years
| Year of follow-up after baseline colonoscopy | ||||||
|---|---|---|---|---|---|---|
| <1 | 1–<2 | 2–<5 | 5–<7 | 7–<10 | Entire screen cohort | |
| Total N = 17,525 | 1806 (10.3) | 1058 (6.0) | 6314 (36.0) | 6681 (38.1) | 1666 (9.5) | N=264,184 |
| Baseline exam demographics | ||||||
| Mean age first exam (years) | 60.7 | 61.9 | 60.1 | 58.3 | 58.0 | 60.6 |
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
| Male Gender | 1010 (55.9) | 501 (47.4) | 2829 (44.8) | 2957 (44.3) | 802 (48.1) | 140937 (53.4) |
| Race/Ethnicity1 | ||||||
| White | 1,287 (71.3) | 807 (76.3) | 5,233 (82.9) | 5,770 (86.4) | 1,390 (83.4) | 225,097 (85.2) |
| Black | 183 (10.1) | 78 (7.4) | 329 (5.2) | 324 (4.9) | 89 (5.3) | 15,621 (5.9) |
| Asian/Pacific Islander | 65 (3.6) | 27 (2.6) | 127 (2.0) | 113 (1.7) | 43 (2.6) | 4,371 (1.7) |
| Native American | 15 (0.8) | 4 (0.4) | 36 (0.6) | 27 (0.4) | 8 (0.5) | 1,135 (0.4) |
| Multi-racial | 2 (0.1) | 1 (0.1) | 15 (0.2) | 16 (0.2) | 1 (0.1) | 412 (0.2) |
| Hispanic | 238 (13.2) | 135 (12.8) | 559 (8.9) | 416 (6.2) | 126 (7.6) | 14,451 (5.5) |
| unknown | 16 (0.9) | 6 (0.6) | 15 (0.2) | 15 (0.2) | 9 (0.5) | 3,097 (1.2) |
| Practice Setting | ||||||
| Private % of all exams = 81.3 |
1080 (59.8) | 803 (75.9) | 5221 (82.7) | 5841 (87.4) | 1302 (78.2) | 205445 (77.8) |
| Academic % of all exams = 6.9 |
299 (16.6) | 127 (12.0) | 434 (6.9) | 218 (3.3) | 134 (8.0) | 26893 (10.2) |
| VA2/Military % of all exams = 11.8 |
427 (23.6) | 128 (12.1) | 659 (10.4) | 622 (9.3) | 230 (13.8) | 31846 (12.1) |
| Baseline exam procedure information | ||||||
| Poor/compromised prep | 1046 (57.9) | 184 (17.4) | 351 (5.6) | 234 (3.5) | 55 (3.3) | 9910 (3.8) |
| Cecum not reached | 1032 (57.1) | 128 (12.1) | 302 (4.8) | 208 (3.1) | 66 (4.0) | 8775 (3.3) |
| Poor/compromised prep and/or cecum not reached | 1325 (73.4) | 266 (25.1) | 596 (9.4) | 411 (6.2) | 112 (6.7) | 16566 (6.3) |
1
All race categories are non-Hispanic; Hispanic ethnicity is regardless of race
2
Veteran Affairs