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AlzRisk Paper Detail
Non-Steroidal Anti-Inflammatory Drugs
Average Follow-up Time Detail
At the baseline examination (1990-1993) blood samples were drawn from 7050 participants (88% of the total cohort). The study population included a sub-cohort of 727 participants plus all persons with dementia as of December 1999 (n with dementia = 188). Follow-up examinations for this study population occurred between 1998-1999.
The levels of IL-6 were determined by means of commercially available enzyme-linked immunosorbent assays. The interassay coefficient of variation for IL-6 was 8.7%. All inflammatory biomarkers from the study were assessed from plasma samples collected at baseline.
The paper reports the median and interquartile range for IL-6 level: 1.95 (1.27-3.14)pg/mL.
Screening and Diagnosis Detail
Cambridge Examination for Mental Disorders of the Elderly
Geriatric Mental State Schedule (Copeland 1976)
Mini-Mental State Examination (Folstein 1975)
National Institute of Neurological and Communicative Diseases and Stroke/Alzheimer's Disease and Related Disorders Association Criteria (McKhann 1984)
Total dementia definition
: The 188 incident cases of dementia included 140 with AD, 23 with vascular dementia (VaD), and 25 cases with other dementias. Dementia diagnoses were made in accord with internationally accepted criteria for dementia (DSM-III-R), AD (National Institute of Neurological and Communicative Disorders and Stroke–Alzheimer's Disease and Related Disorders Association [NINCDS-ADRDA]), and vascular dementia (National Institute of Neurological Disorders and Stroke–Association Internationale pour la Recherche et l'Enseignement en Neurosciences [NINDS-AIREN]).
Covariates & Analysis Detail
Cox proportional hazards regression