巴西圣保罗首次接触精神病的发病率。
Incidence of first-contact psychosis in São Paulo, Brazil.
作者信息
Menezes Paulo R, Scazufca Marcia, Busatto Geraldo, Coutinho Letícia M S, McGuire Philip K, Murray Robin M
机构信息
Department of Preventive Medicine, Faculty of Medicine and Section of Epidemiology, University Hospital, University of São Paulo Medical School, Av. Dr. Arnaldo 455, Sao Paulo-SP, Brazil, CEP 01246-903.
出版信息
Br J Psychiatry Suppl. 2007 Dec;51:s102-6. doi: 10.1192/bjp.191.51.s102.
BACKGROUND
Little is known about the incidence of first-episode psychosis in urban centres of low- or middle-income countries.
AIMS
To estimate the incidence of psychosis in São Paulo, a large metropolis of Brazil.
METHOD
Prospective survey of first-episode psychosis among residents aged 18-64 years resident in a defined area of São Paulo, over a 30-month period (July 20 2002-December 2004). Assessments were carried out with the SCID-I, and diagnoses given according to DSM-IV criteria. Population at risk was drawn from the 2000 Census data.
RESULTS
There were 367 first-episode cases identified (51% women), and almost 40% fulfilled criteria for schizophrenia or schizophreniform disorder. The incidence rate for any psychosis was 15.8/100 000 person-years at risk (95% CI 14.3-17.6). Incidence of non-affective psychoses was higher among younger males.
CONCLUSIONS
Incidence of psychosis in São Paulo was lower than expected for a large metropolis.
背景
关于低收入或中等收入国家城市中心首次发作精神病的发病率，人们了解甚少。
目的
估算巴西大都市圣保罗精神病的发病率。
方法
对圣保罗特定区域内年龄在18 - 64岁的居民进行为期30个月（2002年7月20日至2004年12月）的首次发作精神病前瞻性调查。采用SCID - I进行评估，并根据DSM - IV标准做出诊断。风险人群来自2000年人口普查数据。
结果
共识别出367例首次发作病例（51%为女性），近40%符合精神分裂症或精神分裂症样障碍的标准。任何精神病的发病率为每100000人年15.8例（95%可信区间14.3 - 17.6）。非情感性精神病的发病率在年轻男性中更高。
结论
圣保罗精神病的发病率低于对一个大都市的预期。
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