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Mathematics, 03.11.2020 16:50 danielzgame
n the early 1990s, 7,000 elderly Dutch men and women were included in a prospective cohort study (follow-up is involved). A number of participants were lost to follow-up during the course of the study and no information was available on those after they were lost to follow-up. The investigators computed how many person-years each participant had contributed to the study until January 2000. The total was 56,232 person-years. During follow-up, 1,890 of the participants died, and of these, 950 were due to coronary heart disease. What is the coronary heart disease specific mortality rate/density of participants in this cohort
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n the early 1990s, 7,000 elderly Dutch men and women were included in a prospective cohort study (fo...
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