TABLE 3

Incidence of DN per 1,000 person-years in the diabetic siblings of probands with type 1 diabetes according to sex and attained age

Attained age (years)Men
Women
Men-to-women rate ratio
Person-yearsCases (n)Incidence (95% CI)Person-yearsCases (n)Incidence (95% CI)
0–14810.90841.211.2 (0.03–6.6)
15–19911.4109.7 (5.3–20.2)779.7911.5 (5.3–21.9)1.0
20–24999.01917.6 (11.5–29.7)813.91113.5 (6.7–24.2)1.4
25–291,012.12222.3 (13.6–32.9)801.41620.0 (11.4–32.4)1.1
30–34930.82121.1 (14.0–34.5)683.4811.7 (5.1–23.1)1.9
35–39624.31016.8 (7.5–28.6)484.848.3 (2.2–15.1)1.9
≥40597.11423.5 (12.8–39.3)480.024.2 (0.5–15.1)5.6
All5,903.69616.3 (13.2–19.9)4,884.45110.4 (7.8–13.7)1.6