Wiener klinische Wochenschrift · 1997
[Annual treatment rates and estimated incidence of eating disorders in Austria].
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Rathner G, Rainer B
Аннотация
BACKGROUND: At present, the prevalence and incidence of eating disorders in Austria is unknown; not even rough estimates of countrywide annual treatment rates are available.
AIMS: To assess the number of patients in Austria with eating disorders currently under treatment and to compare this rate with the estimated prevalence and incidence of eating disorders, thus providing an estimate of unrecorded cases and the appropriateness of health care for these disorders.
METHODS: The number of patients being treated in major out-patient and in-patient facilities was assessed by questionnaires. Prevalence and incidence rates in Austria were estimated by extrapolation of epidemiological data from comparable Western countries to Austrian figures from the most recent population census in 1991.
RESULTS: Altogether 1075 patients were being treated in 1994 at 26 institutions, including all specialized centres, pediatric and psychiatric university hospitals. Surprisingly, the annual treatment rates for anorexia and bulimia nervosa were equal. There is a considerable discrepancy between these treatment figures and prevalence/incidence estimates (in absolute numbers): the estimated anorexia nervosa point prevalence is about 2500 girls aged 15-20 years, whilst a minimum of 4400 girls suffer from subclinical eating disorders, and there are about 6500 bulimia nervosa cases in young women aged 20-30 years. The incidence might be about 600 new onset cases per year for anorexia, and about 870 for bulimia nervosa. The size of the problem (lifetime prevalence) may comprise at least 36,000 women with bulimia nervosa.
CONCLUSIONS: Eating disorders pose a major public health problem for women in Austria. It is unlikely that the vast majority of unrecorded cases was treated in private practice or in hospitals which failed to respond to our questionnaire. The discrepancy between annual treatment rates and prevalence/incidence estimates points to a lack of specialized eating disorder units in Austria.
AIMS: To assess the number of patients in Austria with eating disorders currently under treatment and to compare this rate with the estimated prevalence and incidence of eating disorders, thus providing an estimate of unrecorded cases and the appropriateness of health care for these disorders.
METHODS: The number of patients being treated in major out-patient and in-patient facilities was assessed by questionnaires. Prevalence and incidence rates in Austria were estimated by extrapolation of epidemiological data from comparable Western countries to Austrian figures from the most recent population census in 1991.
RESULTS: Altogether 1075 patients were being treated in 1994 at 26 institutions, including all specialized centres, pediatric and psychiatric university hospitals. Surprisingly, the annual treatment rates for anorexia and bulimia nervosa were equal. There is a considerable discrepancy between these treatment figures and prevalence/incidence estimates (in absolute numbers): the estimated anorexia nervosa point prevalence is about 2500 girls aged 15-20 years, whilst a minimum of 4400 girls suffer from subclinical eating disorders, and there are about 6500 bulimia nervosa cases in young women aged 20-30 years. The incidence might be about 600 new onset cases per year for anorexia, and about 870 for bulimia nervosa. The size of the problem (lifetime prevalence) may comprise at least 36,000 women with bulimia nervosa.
CONCLUSIONS: Eating disorders pose a major public health problem for women in Austria. It is unlikely that the vast majority of unrecorded cases was treated in private practice or in hospitals which failed to respond to our questionnaire. The discrepancy between annual treatment rates and prevalence/incidence estimates points to a lack of specialized eating disorder units in Austria.