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应用模糊数学对100例肺心病住院病人心电图6项主要指标进行聚类分析,得出各指标间相关的回归方程10个,可用于鉴别诊断。6个指标间P电压与其它各指标关系最为疏远。V_1 R/S与RV_1+SV_5之间关系最为密切。样品聚类突出了电轴偏移的重要性。
Fuzzy math was used to cluster the six major indexes of electrocardiogram of 100 patients with pulmonary heart disease in hospital, and 10 regression equations were obtained, which could be used for differential diagnosis. P indicators of the six indicators and other indicators of the relationship between the most distant. V_1 R / S is most closely related to RV_1 + SV_5. Sample clustering highlights the importance of electrical axis offsets.