Volume 13, Number 6—June 2007
Research
Human Alveolar Echinococcosis after Fox Population Increase, Switzerland
Alexander Schweiger*1, Rudolf W. Ammann*, Daniel Candinas†, Pierre-Alain Clavien*, Johannes Eckert*, Bruno Gottstein†, Nerman Halkic‡, Beat Muellhaupt*, Bettina Mareike Prinz*, Juerg Reichen†, Philip E. Tarr‡, Paul R. Torgerson*, and Peter Deplazes*
Table
Data from reported case-finding studies on human alveolar echinococcosis, 1956–2005, Switzerland
| Study (reference no.) | Years | No. cases | Mean annual incidence/100,000 population | Mean age ±SD, y | Sex, no. (%) |
|
|---|---|---|---|---|---|---|
| Male | Female | |||||
| Drolshammer (12) | 1956–1969 | 122 | 0.15 | 54.2 ± 18.2 | 65 (53)* | 57 (47) |
| Gloor (13) | 1970–1983 | 145 | 0.16 | 55.0 ± 16.0 | 79 (54)* | 66 (46) |
| Eckert (14) | 1984–1992 | 71† | 0.12 | 52.0 ± 17.7 | 33 (46) | 38 (54) |
| This study | 1993–2000 | 60 | 0.10 | 52.5 ± 18.4 | 26 (43) | 34 (57) |
| This study | 2001–2005 | 96 | 0.26‡ | 54.5 ± 17.3 | 42 (44) | 54 (56) |
| Total | 1956–2005 | 494 | 0.15 | 54.0 ± 17.3 | 245 (49.7) | 248 (50.3) |
*Proportion of cases in male patients was significantly higher during 1956–1983 than 1984–2005 (p<0.05).
†Six more cases from 1984–1992 have been included in this study.
‡Significantly increased compared with1984–2000 (p for trend <0.01).
