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目的了解抗结核药物性肝损伤(drug induced liver injury,DILI)患者住院天数及其影响因素。方法研究140例抗结核药物性DILI病患者的临床资料，采用多元线性回归模型对患者住院天数相关影响因素进行分析。结果抗结核药物DILI患者住院天数的中位数为20多元线性回归方程Y=13.787-0.119 X8+0.923 X7(Y=住院天数,X8=年龄,X7=肝损治疗天数)。结论抗结核药物性DILI患者住院天数与护肝治疗天数正相关，与年龄负相关。“,”Objective To discuss the hospitalization days for patients with anti-tuberculosis drug-induced liver injury (DILI),and to analyze the the factors influencng hospitalization days.Methods 140 tuberculosis (TB)patients with DILI were studyed with mutiple linear regession analysis.Results The median of hospitalization days was 20.The regression equation on hospitalization days is Y=13.787-0.119 X8+0.923 X7(Y=length of hospital stay, X8=Age,X7=DILI treatment days).Conclusion The hospitalization days have positive corelation with the DILI treatment days,while having negative corelation with age.