Table 2.
Pathology results in the high-risk and 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 | 1,106 | 475 | 631 | 182 | 95 | 87 | – | – |
| CRN | 539 | 301 (63.37) | 238 (37.72) | 74 | 51 (53.68) | 23 (26.44) | – | – |
| CRC | 208 | 176 (37.10) | 32 (5.10) | 17 | 14 (14.70) | 3 (3.40) | 97.449 | <0.001 |
| AA | 94 | 56 (11.80) | 38 (6.00) | 23 | 18 (18.90) | 5 (5.70) | 321.238 | <0.001 |
| AD | 237 | 69 (14.50) | 168 (26.60) | 34 | 19 (20.00) | 15 (17.20) | 162.797 | <0.001 |
| Negative for all non-AA, non-neoplastic manifestations and colonoscopy | 567 | 174 (36.70) | 394 (62.20) | 108 | 44 (46.30) | 64 (73.50) | – | – |
| Polyps | 122 | 34 (7.20) | 88 (13.90) | 27 | 14 (14.70) | 13 (14.90) | 332.592 | <0.001 |
| Normal | 445 | 140 (29.50) | 305 (48.30) | 81 | 30 (31.60) | 51 (58.60) | 178.531 | <0.001 |
Note: CRC: colorectal cancer; CRN: colorectal neoplasia; AA: advanced adenoma; AD: adenoma.