目的 应用因子分析联合单因素方差分析或非参数检验等多元统计方法,探索中医症状与室性过早搏动发生频率的相关性.方法 选取428例室性过早搏动的患者按照早搏发生频率分为5组,筛选出发生率>40%的中医症状进行因子分析,计算每位患者的各个公因子得分,并根据因子得分的结果进行单因素方差分析或多样本非参数检验.结果 共提取6个公因子:F1心肌缺血症状公因子、F2疼痛及睡眠异常公因子、F3津液及情绪异常公因子、F4过早搏动主症公因子、F5头脑感觉异常公因子、F6因子记忆力公因子.F1、F3、F4公因子的得分Z1、Z3、Z4在各组无统计学差异(P>0.05).>30 000次/24 h分别与1 000~4 999次/24 h、30 000次/24 h与30 000次/24 h分别与5 000~9 999次/24 h、30,000/24 h group with 1,000~4,999/24 h group and 30,000/24h and30,000/24 h group with 5,000~9,999/24h group and <1,000/24 h group (P<0.008 3).Conclusion Participants with different VBP frequency presented myocardial ischemia symptoms of the same severity such as chest stuffiness, shortness of breath, lack of strength, body fluids disorders, mood disorders, and main patterns of VPB.The severity of ache, parahypnosis, head discomfort, and memory symptoms, however, would become more serious as the frequency of VBP increased.
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