Table 1. Age group, sex and regional distribution of hepatitis E cases notified through the Germany surveillance system, cases included in the risk factor analysis and individually matched controls, Germany, January 2012–January 2014.
| Notified cases (n=845) |
% | Cases in CCS (n=270) |
% | Controls (n=1,159) |
% | |
|---|---|---|---|---|---|---|
| Age group (years) | ||||||
| 18–34 | 129 | 15.3 | 28 | 10.4 | 138 | 11.9 |
| 35–49 | 243 | 28.8 | 79 | 29.3 | 312 | 26.9 |
| 50–64 | 305 | 36.1 | 112 | 41.5 | 435 | 37.5 |
| ≥65 | 168 | 19.9 | 51 | 18.9 | 274 | 23.6 |
| Sex | ||||||
| Female | 313 | 37.0 | 105 | 38.9 | 451 | 38.9 |
| Male | 532 | 63.0 | 165 | 61.1 | 708 | 61.1 |
| Regiona | ||||||
| North | 177 | 20.9 | 42 | 15.6 | 172 | 14.8 |
| West | 267 | 31.6 | 83 | 30.7 | 375 | 32.4 |
| East | 248 | 29.3 | 88 | 32.6 | 375 | 32.4 |
| South | 153 | 18.1 | 57 | 21.1 | 237 | 20.4 |
CCS: case-control study.
a Named regions included the following German states: North – Bremen, Hamburg, Lower Saxony, Mecklenburg-Western Pomerania, Schleswig-Holstein; West – Hesse, North Rhine-Westphalia, Rhineland-Palatinate, Saarland; East – Brandenburg, Berlin, Saxony, Saxony-Anhalt, Thuringia ; South – Baden-Württemberg, Bavaria.