[A case-control study on epidemic erythromelalgia].

A case-control study on a erythromelalgia was conducted in a stratified random sample of 1633 middle school students in Zao Yang county, Hubei province. Among them 462 and 1,191 students were in a case group and a control group, respectively. Data were analysed by Mental-Haenszal method and multiple regression analysis. It was showed that erythromelalgia was significantly associated with residents students, cold living condition, malnutrition and disfunction of vegetative nerve system. The proper preventive measures should be tamen to the teenager, especially to the female and resident students of the same age group.