临床流行病学是临床医师在临床研究和医疗的实践中，将流行病学、社会医学和医学统计学的原理和方法应用到临床，从患者个体的临床诊治扩大到患者群体特性的研究，以探讨疾病的病因、诊断、治疗、预防和预后等规律。它是一门科学的方法学。临床流行病学的研究对象是患者及其患 Clinical epidemiology is a clinician in the clinical research and medical practice, the epidemiology, social medicine and medical statistics principles and methods applied to the clinical, individual patients from the clinical diagnosis and treatment expanded to study the characteristics of patients with Explore the etiology, diagnosis, treatment, prevention and prognosis of the disease. It is a scientific methodology. Clinical epidemiology of patients and their patients