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1991年1月,加拿大马尼托巴省护士联合会的10050名成员举行了长达31天的罢工。罢工期间,该省各主要产科医院仅能提供约正常护理工作30％的服务。为研究这次护士罢工该省剖宫产率的影响,采用观察和回顾的方法,通过研究1989年9月1日～1991年8月31日24个月内的马尼托巴省的计算机化病历,比较罢工前16个月、罢工期及罢工后7个月之间关于剖宫产适应症、剖宫产率、引产率、使用麻醉率、产钳助产率以及母儿不良预后的差异。选择35840份母亲病历与相应的婴儿病历为研究资料。采用X~2统计学办法验证罢工与非罢工期剖宫产率关系的假说。根据ICD9-CM诊断标准将产
In January 1991, a total of 10050 members of the Manitoba Provincial Nurses Federation of Canada held a 31-day strike. During the strike, all major maternity hospitals in the province can only provide about 30% of normal nursing work. To examine the impact of the nurse strike on cesarean section rates in the province, a computer-based approach to observation and review was used to study the computerization of Manitoba in the 24 months from September 1, 1989 to August 31, 1991 Medical records were compared between the 16 months prior to strike, the strike period, and the seven months after strike for differences in cesarean indications, cesarean section rates, induction rates, anesthesia rates, forceps delivery rates, and poor maternal outcomes. Select 35,840 copies of the mother’s medical records and the corresponding baby medical records for the study data. X ~ 2 statistical methods to verify the strike and non-strike cesarean section rate of the relationship between the hypothesis. According to ICD9-CM diagnostic criteria will be produced