Cohort | All RB | Hereditary | Non-hereditary | |||||
---|---|---|---|---|---|---|---|---|
SMR (95% CI) | SMR (95% CI) | SMR (95% CI) | ||||||
1898–1907 | 1.4 (0.7–2.6) | — | 1.9 (1.0–3.7) | |||||
1908–17 | 2.7 (1.7–4.3) | 2.9 (1.1–7.4) | 2.7 (1.6–4.8) | |||||
1918–27 | 3.2 (2.2–4.7) | 3.6 (2.1–6.2) | 2.9 (1.7–5.0) | |||||
1928–37 | 3.3 (2.2–4.9) | 4.5 (2.5–8.2) | 2.4 (1.4–4.3) | |||||
1939–47 | 2.2 (1.4–3.3) | 2.6 (1.3–5.0) | 1.8 (1.0–3.2) | |||||
1948–57 | 2.6 (1.8–3.7) | 3.3 (1.9–6.0) | 2.1 (1.3–3.5) | |||||
1958–67 | 3.0 (2.1–4.3) | 5.0 (3.0–8.0) | 2.1 (1.3–3.5) | |||||
1968–77 | 2.6 (1.8–3.7) | 5.5 (3.4–8.9) | 1.6 (1.0–2.8) | |||||
1978–87 | 2.8 (2.0–3.9) | 5.7 (3.6–9.0) | 1.7 (1.0–2.9) | |||||
1988–95 | 3.1 (2.1–4.7) | 9.0 (5.5–14.4) | 1.0 (0.5–2.3) |
RB = retinoblastoma.
95% CI = 95% confidence interval.