应用全人群、回顾性、重叠病例对照研究方法对他汀类药物的使用是否对因肺炎而就诊、住院和死亡有影响进行研究。研究包括134262人(年龄≥30岁),其中55118例服用他汀类药物和(或)氯贝特,29144例高血脂患者没有服用降血脂药物,50000人无高血脂也没有服用降血脂药物。依据年龄、性别和综合医疗状况将1253例肺炎病人与4838 A population-wide, retrospective, and overlapping case-control study was conducted to determine whether statin use affects pneumonia visits, hospitalizations, and death. The study included 134,262 people (≥30 years) of whom 55,118 were taking statins and / or clofibrate, 29,144 patients with hyperlipidemia did not take antihyperlipidemic drugs, 50,000 were free of hyperlipidemia and did not take lipid-lowering drugs. According to age, sex and general medical status of 1253 cases of pneumonia patients and 4838