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对太原铁路防疫站管区痢疾发病率监测资料进行直线回归和多元回归分析。结果表明，１９７８～１９９２年痢疾发病率呈下降趋势，短期直线回归预测方程为：痢疾发病率＝０．０４７１７１－０．０００４９７×（年代－１９００）；进一步拟合痢疾发病率与公共卫生相关因素多元回归方程，结果为：痢疾发病率＝０．０２８６８４－０．０００２１７Ｘ１－０．００９７２０Ｘ２－０．０２０３５９Ｘ３，提示食品监测合格率愈高，饮用自来水占管区总人口比重愈大，痢疾发病率愈底，并据此回归方程预测１９９３年痢疾发病率为８５．６／１０万，和实际痢疾发病率（８７．５／１０万）相差不大。
The Taiyuan Railway Epidemic Prevention Station dysentery incidence monitoring data linear regression and multiple regression analysis. The results showed that the incidence of dysentery decreased from 1978 to 1992, the short-term linear regression prediction equation was: the incidence of dysentery = 0.047171-0.000497 × (years -1900); further fitting dysentery incidence and public health-related factors Multiple regression equation, the result is: the incidence of dysentery = 0.028684-0.000217X1-0.009720X2-0.020359X3, suggesting that the higher the pass rate of food monitoring, drinking water accounts for the larger the proportion of the total population in the district, the more the incidence of dysentery Based on this regression equation, the incidence of dysentery in 1993 was estimated to be 85.6 / 100 000, which is not different from the actual incidence of dysentery (87.5 / 100 000).