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1990 - 1994年安大略省报告的产志贺毒素大肠杆菌(VTEC)病例的描述性研究。

A descriptive study of verocytotoxigenic Escherichia coli (VTEC) cases reported in Ontario, 1990-1994.

作者信息

Michel P, Wilson J B, Martin S W, Clarke R C, McEwen S A, Gyles C L

机构信息

Department of Population Medicine, Ontario Veterinary College (OVC), University of Guelph.

出版信息

Can J Public Health. 1998 Jul-Aug;89(4):253-7. doi: 10.1007/BF03403929.

Abstract

Characteristics of VTEC cases identified through routine surveillance in Ontario between 1990 and 1994 are described. Information was extracted from the Reportable Disease Information System (RDIS) of Ontario and was evaluated for its completeness and internal validity. A total of 2,441 VTEC cases were identified for the five-year study period corresponding to an average annual rate of 4.8 cases per 100,000. Sixteen deaths were recorded. Bloody diarrhea was reported for 546 patients (40%) and was the most frequently reported symptom. For most cases, the home was recorded as the likely risk setting (36%). Food was incriminated as the source of infection for more than 36% of cases. Nine (69%) of the thirteen data fields compulsory for transmission to the Ontario Ministry of Health had less than 10% of combined missing and unspecified values. Fields describing risk factors had greater than 56% of entries missing or unspecified.

摘要

本文描述了1990年至1994年间在安大略省通过常规监测确定的产志贺毒素大肠杆菌(VTEC)病例的特征。信息从安大略省法定疾病信息系统(RDIS)中提取,并对其完整性和内部有效性进行评估。在为期五年的研究期间,共确定了2441例VTEC病例,平均年发病率为每10万人4.8例。记录了16例死亡病例。546名患者(40%)报告有血性腹泻,这是最常报告的症状。对于大多数病例,家庭被记录为可能的风险环境(36%)。超过36%的病例将食物认定为感染源。在必须传输给安大略省卫生部的13个数据字段中,有9个(69%)的缺失值和未指定值合计不到10%。描述风险因素的字段有超过56%的条目缺失或未指定。

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