The standardized incidence ratio (SIR) for patients with no family history of cancer was 2.06.
没有癌症家族史的患者标化发病比(SIR)是2.06。
2
Applying the methodology of standardized crude rate is necessary to remove the impact of the age structure so that the standardized dependency ratio and demographic dividend can reflect the reality.
IQ - a number used to express the apparent relative intelligence of a person that is the ratio multiplied by 100 of the mental age as reported on a standardized test to the chronological age.