Table 1.
Characteristics of the study population
| Large adenomas | Small adenomas | Polyp free controls | |
| N | 295 | 302 | 568 |
| Age, mean (SD) | 62.3 (13.1) | 60.6 (12.1) | 60.7 (12.4) |
| Sex ratio (male/female) | 1.68 | 1.24 | 1.52 |
SD; standard deviation
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