XI. Sources of ‘chronology bias’ in cohort statistics | Zendy

Feinstein Alvan R. | Zendy

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XI. Sources of ‘chronology bias’ in cohort statistics

Author(s) -

Feinstein Alvan R.

Publication year - 1971

Publication title -

clinical pharmacology and therapeutics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.941

H-Index - 188

eISSN - 1532-6535

pISSN - 0009-9236

DOI - 10.1002/cpt1971125864

Subject(s) - cohort , statistics , event (particle physics) , series (stratigraphy) , chronology , demography , mathematics , econometrics , medicine , geography , biology , physics , sociology , paleontology , archaeology , quantum mechanics

In the previous paper of this series, 13 a cohort was defined as a group of people who are followed forward in time to observe the effects of a maneuver to which they have been exposed. The results are usually expressed statistically as a ratio, or rate, in which the denominator of the cohort contains the number of people exposed to the maneuver, and the numerator contains the number of those people who later developed a particular target event.

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