摘要
本文运用圆形分布福州市1982~1986年的传染性肝炎资料进行分析。结果表明,传染性肝炎发病有明显季节性。传染性肝炎发病高峰期是在3月20日到4月10 。
circular distribution is used in statistical analysis of the data colleted from 1982 thro- ugh 1986 in Fuzhou city to find out the seasonal characteristics of infectious hepatitis. This method provides a summary in detecting the epidemic peak of a disease,or that of several diseases in different years and is also useful to determine the epidemic time focus of a diseease.Therefore,it may serve as a scientific for the prevention of certain diseases and an accurate means for the statistical mangement of the data obtained in seasonal epid -mic diseases.