输卵管妊娠患病危险因素的病例对照研究

目的：探讨与输卵管妊娠患病的相关危险因素。方法采用以医院为基础的病例对照研究方法，选择经手术确诊为输卵管妊娠患者为病例组，共243例，按11匹配，选择同期要求人工流产的正常妊娠妇女共243例为对照组。通过问卷调查获取临床资料，对资料进行进行单因素分析和非条件Logistic回归分析。结果异位妊娠史、盆腔感染史、分娩史、人工流产史、多个性伴侣、不孕史及吸烟两组间差异显著，其 OR 值分别为1.919、10.071、2.912、3.628、2.911、3.047、2.388。结论输卵管妊娠是多因素作用的结果，有效预防可减少其发生。

A Case-control Study on Risk Factors of Tubal Pregnancy

Objective To investigate the risk factors for tubal pregnancy. Methods A hospital-based tubal pregnancy 1 1 matched case-control study was conducted. Two hundred and forty three patients were diagnosed by surgery and pathology,and Two hundred and forty three controls were normal pregnant women who asked for a induced abortion at the corresponding period. Information come from all cases and controls interviewed using a questionnaire about the risk factors. The collected data was analyzed by univariate analysis and multivariate unconditional logistic analysi. Results There are significant differences between tubal pregnancy cases and controls in terms of history of ectopic pregnancy（OR：1.919）, history of pelvic inflammatory disease（OR：10.071）, history of delivery（OR：2.912）, history of induced abortion（OR：3.628）, multiple sex partners（OR：2.911）, history of infertility（OR：3.047） and cigaritte smoking（OR：2.388）. Conclusion Tubal pregnancy is the result of many factors, effective prevention can reduce the occurrence.