Table 3.
Pathology results in the high-risk and the physical examination groups aged <50 years.
| Total | High-risk group |
Physical examination group |
χ² | P | ||||
|---|---|---|---|---|---|---|---|---|
| Total | Positive (n%) | Negative (n%) | Total | Positive (n%) | Negative (n%) | |||
| Total | 700 | 207 | 493 | 95 | 21 | 74 | – | – |
| CRN | 150 | 61 (29.47) | 89 (18.05) | 18 | 5 (23.81) | 13 (17.57) | – | – |
| CRC | 36 | 29 (14.01) | 7 (1.42) | 2 | 1 (4.76) | 1 (1.35) | 86.963 | <0.001 |
| AA | 32 | 15 (7.25) | 17 (3.45) | 4 | 3 (14.29) | 1 (1.35) | 309.746 | <0.001 |
| AD | 82 | 17 (8.21) | 65 (13.18) | 12 | 1 (4.76) | 11 (14.86) | 178.413 | <0.001 |
| Negative for all non-AA, non-neoplastic manifestations and colonoscopy | 550 | 146 (70.53) | 404 (81.95) | 77 | 16 (76.15) | 61 (82.43) | – | – |
| Polyps | 88 | 29 (14.01) | 59 (11.97) | 12 | 4 (19.05) | 8 (10.81) | 173.990 | <0.001 |
| Normal | 462 | 117 (56.52) | 345 (69.98) | 65 | 12 (57.10) | 53 (71.62) | 168.819 | <0.001 |
Note: CRC: colorectal cancer; CRN: colorectal neoplasia; AA: advanced adenoma; AD: adenoma.