Table 4 Polyp prevalence by age and sex
Polyp histology | Subjects | Male (%) | Age | Trend P | |||||
|---|---|---|---|---|---|---|---|---|---|
10358/28544 | 20-29 (n = 219) | 30-39 (n = 2548) | 40-49 (n = 8960) | 50-59 (n = 9994) | 60-69 (n = 5296) | ≥70 (n = 1527) | |||
Adenoma | 7775 (27.2%) | 5511 (70.9) | 11 (5.0%) | 279 (10.9%) | 1954 (21.8%) | 2958 (29.5%) | 1952 (36.9%) | 621 (40.7%) | 0.027 |
Tubular, low grade | 7749 (27.1%) | 5498 (71.0) | 11 | 279 | 1951 | 2948 | 1940 | 620 | |
Tubular, high grade | 19 (0.1%) | 10 (50) | 0 | 0 | 1 | 8 | 7 | 3 | |
Villous/tubulovillous | 11 (0.03%) | 11 (100) | 0 | 1 | 2 | 2 | 3 | 3 | |
Adenocarcinoma | 51 (0.2%) | 36 (70.6) | 0 | 0 | 5 | 14 | 26 | 6 | |
Serrated lesions | 4312 (15.1%) | 3170 (73.5) | 22 (10.0%) | 300 (11.8%) | 1323 (14.8%) | 1529 (15.3%) | 888 (16.8%) | 250 (16.4%) | 0.036 |
Hyperplastic | 4187 (14.7%) | 3097 (74.0) | 21 | 287 | 1277 | 1494 | 866 | 242 | |
Sessile serrated | 143 (0.5%) | 86 (60.1) | 1 | 18 | 50 | 45 | 29 | 5 | |
Traditional serrated | 17 (0.1%) | 13 (76.5) | 0 | 2 | 6 | 2 | 4 | 3 | |
Carcinoid | 26 (0.1%) | 17 (65.4) | 0 | 6 | 11 | 7 | 2 | 0 | |