Alzheimer Disease and Cancer: A National Inpatient Sample Analysis

imageIntroduction:
Studies have demonstrated an inverse relationship between Alzheimer dementia (AD) and cancer. This inverse relationship was further explored. In addition, Pin1 expression has been implicated in the cell cycle regulation of both disease processes. The relationship of Pin1 expression in 10 cancer types and secondary diagnosis of AD was examined.
Materials and Methods:
A cross-sectional analysis was performed using discharge data from the National Inpatient Sample from 1999 to 2008. Cancer was defined as the primary discharge diagnosis and AD was defined as the secondary discharge diagnosis. Cancer types were grouped according to their Pin1 expression to examine its relationship with AD. Analysis was performed by logistic regression.
Results:
Of ∼3 million cancer discharge diagnoses, 1.0% had a secondary diagnosis of AD. Discharge data of all 10 cancer types…

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