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目的：探讨热带气候对海南省小儿急性腹泻的影响因素及发病规律。方法：1997年度在海南省东西南北中及海口市各设一个监测点对5岁以下小儿1654人进行腹泻流行病学调查．采用每月三日法。并将腹泻月平均发病率与相应月份气象指标进行相关分析。结果：月平均发病率20．19％，年发病率为242．29％。平均每人每年腹泻发病次数为2．42±0.08，年死亡率0．60％，发病高峰在1～3月份，与气温、雨量呈显著负相关。结论：海南省1～3月份发病率高其原因与该季节温度低，雨量少气候环境影响有关。
Objective: To investigate the influencing factors and pathogenesis of tropical climate on children with acute diarrhea in Hainan Province. Methods: An epidemiological investigation of diarrhea was carried out in 1654 persons under 5 years of age in 1997 in Hainan, east, west, north, south and Haikou respectively. Use the three-monthly method. And the average monthly incidence of diarrhea and the corresponding monthly meteorological indicators were analyzed. Results: The average monthly incidence of 20.19%, the annual incidence rate of 242.29%. The average incidence of diarrhea per person per year was 2.42 ± 0.08, the annual mortality rate was 0.60%. The peak incidence peaked from January to March, and had a significant negative correlation with temperature and rainfall. Conclusion: The high incidence in Hainan from January to March is mainly due to the low seasonal temperature and less rainfall and climatic environment.