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Clinical characteristics of 38 patients with serrated polyposis
| Characteristics | N (%) |
|---|---|
| Age (years) at diagnosis of first CRC | |
| Mean ± SD | 55.7 ± 14.4 years |
| Median, range | 58.5, 18 – 76 years |
| Sex | |
| Male | 11 (28.9) |
| Female | 27 (71.1) |
| WHO criteria | |
| Criterion 1 only | 9 (23.7) |
| Criterion 3 | 29 (76.3) |
| Serrated polyp count, Mean, range | 47.6, 6 – 109 |
| Synchronous CRC | 6 (15.8) |
| Metachronous CRC | 5 (13.2) |
| Family history of CRC | 16/27 (59.3) |
