圆形分布对克山病发病规律的分析

Analysis on the morbidity regularity of Ke-Shan disease with circular distribution method.

目的 分析克山病的发病规律。方法 根据莒县克山病发病资料,用圆形分布确定其发病高峰日和发病高峰期。结果 莒县克山病的发病高峰日为5月10日,发病高峰为2月22日～7月23日,这与流行病学所描述的季节性规律相一致。结论 发病高峰日和高峰期的确定,为克山病今后的防治提供了更加可靠的依据。

[Objective] To analyze the morbidity regularity of Ke-Shan disease.[Methods] Morbidity peak day and peak period were determined with circular distribution method based on the relevant information in Lu Xian county.[Results] Morbidity peak day is on May 10th,while the peak period is from Feb.22nd to July 23th.This is in keeping with the seasonal regularity described in epidemiology. [Conclusion] The determination of the peak day and peak period provides reliable evidence for the prevention of Ke-Shan disease.