Relationship between longitudinal measures of renal function and onset of dementia in a community cohort of older adults.

Objectives: To evaluate the association between dynamic measures of renal function ascertained over time and onset of dementia.

Design: Prospective community cohort study.

Setting: Group Health, Seattle, Washington.

Association between time spent interpreting, level of confidence, and accuracy of screening mammography.

Objective: The objective of this study was to examine the effect of time spent viewing images and level of confidence on a screening mammography test set on interpretive performance.

Materials And Methods: Radiologists from six mammography registries participated in this study and were randomized to interpret one of four test sets and complete 12 survey questions. Each test set had 109 cases of digitized four-view screening screen-film mammograms with prior comparison screening views.