Table 4.
SIRs for childhood leukemia (< 15 years of age) and observed numbers of cases for communities north versus south of the Elbe river.
| 1990–1998
|
1999–2005
|
Total (1990–2005)
|
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Community location relative to the Elbe | Obs | Exp | SIR | 95% CI | Obs | Exp | SIR | 95% CI | Obs | Exp | SIR | 95% CI |
| North | 4 | 1.71 | 2.34 | 0.64–6.00 | 4 | 1.50 | 2.66 | 0.73–6.82 | 8 | 3.21 | 2.49 | 1.08–4.91 |
| South | 5 | 0.42 | 12.04 | 3.91–28.09 | 1 | 0.38 | 2.63 | 0.07–14.65 | 6 | 0.80 | 7.54 | 2.77–16.41 |
| Total | 9 | 2.12 | 4.24 | 1.94–8.05 | 5 | 1.88 | 2.66 | 0.86–6.20 | 14 | 4.00 | 3.50 | 1.91–5.87 |
Abbreviations: Exp, expected number of cases, derived using German national annual age-specific leukemia incidence rates; Obs, observed number of leukemia cases.