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Estimating the error rates of diagnostic tests.
It is often required to evaluate the accuracy of a new diagnostic test against a standard test with unknown error rates. If the two tests are applied simultaneously to the same individuals from twoExpand
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Effectiveness of collaborative care for older adults with Alzheimer disease in primary care: a randomized controlled trial.
CONTEXT Most older adults with dementia will be cared for by primary care physicians, but the primary care practice environment presents important challenges to providing quality care. OBJECTIVE ToExpand
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Six-Item Screener to Identify Cognitive Impairment Among Potential Subjects for Clinical Research
Objective. To design a brief cognitive screener with acceptable sensitivity and specificity for identifying subjects with cognitive impairment Design. Cohort one is assembled from a community-basedExpand
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Prevalence of Alzheimer's disease and dementia in two communities: Nigerian Africans and African Americans.
OBJECTIVE This article reports on a prevalence study of dementia and Alzheimer's disease among two groups of subjects with the same ethnic background but widely differing environments. METHOD TheExpand
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The relationships between age, sex, and the incidence of dementia and Alzheimer disease: a meta-analysis.
BACKGROUND Prevalence studies on dementia and Alzheimer disease (AD) have reported a positive association with age. However, the trend of the association in the oldest-old categories has been theExpand
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Age and bone mass as predictors of fracture in a prospective study.
To study the effect of bone mass on the risk of fracture, we followed 521 Caucasian women over an average of 6.5 yr and took repeated bone mass measurements at the radius. We observed 138 nonspinalExpand
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Incidence of dementia and Alzheimer disease in 2 communities: Yoruba residing in Ibadan, Nigeria, and African Americans residing in Indianapolis, Indiana.
CONTEXT Alzheimer disease (AD) represents a major and increasing public health problem. If populations were identified with significantly lower or higher incidence rates of AD, the search for riskExpand
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Online disease management of diabetes: Engaging and Motivating Patients Online With Enhanced Resources-Diabetes (EMPOWER-D), a randomized controlled trial
OBJECTIVE To evaluate an online disease management system supporting patients with uncontrolled type 2 diabetes. MATERIALS AND METHODS Engaging and Motivating Patients Online With EnhancedExpand
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Genome screen for QTLs contributing to normal variation in bone mineral density and osteoporosis.
A major determinant of the risk for osteoporosis is peak bone mineral density (BMD), which is largely determined by genetic factors. We recently reported linkage of peak BMD in a large sample ofExpand
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Calcium supplementation and increases in bone mineral density in children.
BACKGROUND Increased dietary intake of calcium during childhood, usually as calcium in milk, is associated with increased bone mass in adulthood; the increase in mass is important in modifying theExpand
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