Table 2.
Pathologic classification of colonic polyps in different age groups of the general population/case (%)
Grouping (age) | Number of detected cases | Adenomatous | Inflammatory | Proliferative | Cancerous |
---|---|---|---|---|---|
≤40 | 1235 | 678 (54.90) | 241 (19.51) | 315 (25.51) | 1 (0.08) |
40-45 | 1717 | 996 (58.01) | 303 (17.65) | 370 (21.55) | 48 (2.80) |
46-50 | 2024 | 1243 (61.41) | 322 (15.91) | 354 (17.49) | 105 (5.19) |
51-55 | 2394 | 1532 (63.99) | 313 (13.07) | 387 (16.17) | 162 (6.77) |
56-60 | 2815 | 1858 (66.00) | 309 (10.98) | 434 (15.42) | 214 (7.60) |
≥61 | 2816 | 1980 (70.31) | 211 (7.49) | 330 (11.72) | 295 (10.48) |
χ2 | 526.980 | ||||
P | <0.001 |