1筛检:定义是“通过快速的检验、检查或其他措施,将有可能有病但表面健康的人,与可能无病的人区别开来。筛检试验不是诊断试验,仅是一种初步检查,对筛检试验阳性和可疑阳性的人,必须进一步确诊检查,确诊后治疗”。2死亡率(mortality rate):是指某人群在一定时间内死于所有原因 1 Screening: The definition is “through rapid tests, examinations or other measures to distinguish people who may be sick but who are healthy, and who are likely to be free of disease. Screening tests are not diagnostic tests and are only preliminary For those who are positive and suspicious for the screening test, they must be further diagnosed and confirmed and treated after diagnosis.” 2 Mortality rate: refers to a group of people who died of all causes within a certain period of time.