Table 2 Observed (O) and expected (E) cases of childhood leukaemia living less than 20 km away from one of the 29 nuclear sites in France (1990–1998), with SIR and their 95% CI, according to age and distance from the nuclear sites
From: Incidence of childhood leukaemia in the vicinity of nuclear sites in France, 1990–1998
Age (years) | 0–5 km | 5–10 km | 10–15 km | 15–20 km | Total | |
---|---|---|---|---|---|---|
0–4 | ||||||
O | 39 | 95 | 114 | 117 | 365 | |
E | 40.04 | 92.93 | 136.33 | 119.27 | 388.56 | |
SIR | 0.97 | 1.02 | 0.84 | 0.98 | 0.94 | |
95% CI | (0.69–1.33) | (0.83–1.25) | (0.69–1.00) | (0.81–1.18) | (0.85–1.04) | |
5–9 | ||||||
O | 18 | 38 | 64 | 62 | 182 | |
E | 21.68 | 49.89 | 71.32 | 67.64 | 210.52 | |
SIR | 0.83 | 0.76 | 0.90 | 0.92 | 0.86 | |
95% CI | (0.49–1.31) | (0.54–1.05) | (0.69–1.15) | (0.70–1.18) | (0.74–1.00) | |
10–14 | ||||||
O | 8 | 32 | 42 | 41 | 123 | |
E | 13.39 | 31.48 | 43.12 | 42.01 | 130.00 | |
SIR | 0.60 | 1.02 | 0.97 | 0.98 | 0.95 | |
95% CI | (0.26–1.18) | (0.70–1.44) | (0.70–1.32) | (0.70–1.32) | (0.79–1.13) |