Initial lesion | Sex | Age group (y) | |||
---|---|---|---|---|---|
<40 | 40–49 | 50–59 | ⩾60 | ||
Each cell represents “annual incidence rate (%/year) [95% confidence interval]” in the top row, and “number of cases with adenomas”/“number of subjects followed up “×”mean follow up time (year)” in the bottom row. | |||||
None | Female | 3.1 [1.3–6.3] | 3.2 [2.4–4.2] | 6.7 [5.4–8.4] | 7.3 [4.5–11.3] |
7/86×2.66 | 53/576×2.90 | 74/451×2.46 | 19/104×2.50 | ||
Male | 4.7 [3.9–5.9] | 8.2 [7.5–9.2] | 10.1 [9.0–11.7] | 11.4 [9.1–14.2] | |
88/567×3.28 | 336/1348×3.02 | 198/722×2.70 | 73/230×2.79 | ||
Small adenoma | Female | 7.9 [1.0–27.0] | 11.4 [8.1–15.9] | 14.1 [10.5–18.9] | 20.4 [14.1–29.4] |
2/11×2.29 | 33/117×2.47 | 42/121×2.46 | 25/56×2.19 | ||
Male | 15.1 [11.7–19.8] | 18.9 [17.2–21.3] | 22.2 [20.3–25.2] | 25.1 [21.4–29.7] | |
51/130×2.60 | 289/606×2.52 | 264/543×2.19 | 115/234×1.96 | ||
Advanced lesion | Female | 0.0 [0.0–70.8] | 3.2 [0.1–16.7] | 16.3 [6.4–32.8] | 10.7 [3.0–25.4] |
0/1×3.01 | 1/12×2.63 | 6/20×1.84 | 4/11×3.38 | ||
Male | 14.7 [3.2–37.9] | 24.6 [18.8–32.4] | 26.7 [22.0–33.1] | 24.4 [17.8–32.9] | |
3/11×1.86 | 42/79×2.16 | 72/118×2.28 | 34/71×1.96 |