TABLE 1.
Sample characteristics
| Variable | |
|---|---|
| Age, years, mean ± SD (range) | 64.2±9.1 (46–92) |
| Positive tests, mean ± SD (range) | 1.58±0.78 (1–3) |
| Male sex | 208 (60.1) |
| Positive fecal occult blood tests, n | |
| 1 | 198 (57.2) |
| 2 | 71 (20.5) |
| 3 | 61 (17.6) |
| Positive, but number unknown | 16 (4.6) |
| Cancer | 41 (11.8) |
| Cancer stage (one was not documented) | |
| 0 | 2 (5.1) |
| I | 9 (23.1) |
| II (10 A, 2 C) | 12 (3.5) |
| III (2 A, 10 B, 2 C) | 14 (35.9) |
| IV (1 A, 1 B) | 2 (5.1) |
| High-risk adenoma | 99 (28.6) |
| Low-risk adenoma | 131 (37.9) |
| High-risk adenoma or >2 low-risk adenoma | 111 (32.1) |
Data presented as n (%) unless otherwise indicated. A, B and C refer to cancer substage; FOBT Fecal occult blood test