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目的:用数学统计法探讨缺血性中风发病及死亡与时间的关系。方法:将1597例缺血性中风病例的发病时间以及其中90例死亡病例的死亡时间以每日0～24时化为角度坐标,作圆形统计分析,观察缺血性中风的发病与死亡时间的特点。结果:1597例缺血性中风病例的发病时间在午时11:00～13:00时段有明显的集中趋势,发病高峰时间点在11:32:41(P<0.005);90例死亡病例发病时间在午时11:00～13:00时段有明显的集中趋势,发病高峰时间点在12:03:03(P<0.005),死亡时间在上午4:00～6:00时段有相对的集中趋势(P>0.05);1507例非死亡病例发病高峰时间点为午时11:31:12(P<0.005)。结论:日中午时是缺血性中风的易发病时段,注意日中午时的治疗和护理,可减少缺血性中风的发病率;缺血性中风相对死亡高峰期在上午4:00～6:00时段,该时段应加强治疗和护理,以降低病死率。
Objective: To explore the relationship between the incidence and death of ischemic stroke and time by mathematical statistics. Methods: The onset time of 1597 cases of ischemic stroke and the death time of 90 cases of death were changed from 0 to 24 hours per day as angular coordinates for circular statistical analysis to observe the incidence of ischemic stroke and the time of death specialty. Results: The onset time of 1597 cases of ischemic stroke was obviously concentrated at 11: 00-13: 00, the peak time of onset was at 11:32:41 (P <0.005). The onset time of 90 deaths At 11: 00 ~ 13: 00 in the afternoon, there was a clear tendency of concentration. The peak time of onset was at 12:03:03 (P <0.005), and the time of death was relatively concentrated at 4: 00-6: 00 in the morning P> 0.05). The peak time point of 1507 non-death cases was 11:31:12 PM (P <0.005). Conclusion: Day noon is an easy period of onset of ischemic stroke. Attention should be paid to the treatment and nursing care at noon, which can reduce the incidence of ischemic stroke. The relative peak of ischemic stroke is between 4: 00 ~ 6: 00 hours, during which time treatment and care should be strengthened to reduce the case fatality rate.