摘要
为了了解亚高原多民族地区婴儿出生时间规律 ,本文运用圆形分布法对西宁地区1996～ 1999年间青医附院 4 338例顺产婴儿出生资料进行了分析。结果发现日分布与昼夜时间分布有明显集中趋势 α =16 1.32 和 α =138.30 P <0 .0 1。
In order to study the time distribution of babies birsh time in Xining city,4338 cases of babies were analysed with circular distribution methods.The results were showed as follow:(1)There was day distribution periodic flucluation.It was =161.32 P<0.01 (2) There was a day and night rhythem with its peak at 12 day.(3)They were indicated no periodic flucluation on monthly and Weekly.
出处
《青海医学院学报》
CAS
2001年第4期13-13,23,共2页
Journal of Qinghai Medical College
