The following 8 elderly women were residents of an assisted living facility and were followed by the same doctor for 12 years. The table below describes events that occurred during the 12-year period. SubjectOutcomePerson-YearsCase Y/NPrevalenceNum / DenomAFollowed for the full 12 years. At the end of year 3, she was diagnosed with Alzheimer’s disease. BDied at the end of year 6 and never had Alzheimer’s disease. CDied at the end of year 3 and never had Alzheimer’s disease. DDiagnosed with Alzheimer’s disease at the end of year 1 and died at the end of year 8. ELost to follow-up at the end of year 6 and never had Alzheimer’s disease. FDied at the end of year 6. At the start of the study, she had already had Alzheimer’s disease for 2 years. GLost to follow up at the end of year 9. At the end of year 4, she was diagnosed with Alzheimer’s disease. HFollowed for the full 12 years, and never had Alzheimer’s disease. Calculate the point prevalence of Alzheimer’s disease at the end of year 5.

The computation of the Alzheimer's disease point prevalence among a group of elderly women residing…

Answered: The following 8 elderly women were…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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The following 8 elderly women were residents of an assisted living facility and were followed by the same doctor for 12 years. The table below describes events that occurred during the 12-year period.

Subject	Outcome	Person-Years	Case Y/N	Prevalence Num / Denom
A	Followed for the full 12 years. At the end of year 3, she was diagnosed with Alzheimer’s disease.
B	Died at the end of year 6 and never had Alzheimer’s disease.
C	Died at the end of year 3 and never had Alzheimer’s disease.
D	Diagnosed with Alzheimer’s disease at the end of year 1 and died at the end of year 8.
E	Lost to follow-up at the end of year 6 and never had Alzheimer’s disease.
F	Died at the end of year 6. At the start of the study, she had already had Alzheimer’s disease for 2 years.
G	Lost to follow up at the end of year 9. At the end of year 4, she was diagnosed with Alzheimer’s disease.
H	Followed for the full 12 years, and never had Alzheimer’s disease.

Calculate the point prevalence of Alzheimer’s disease at the end of year 5.

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