Case-cohort study designs represent a cost-effective and efficient strategy for analysing time-to-event data, particularly when the event of interest is rare. By selecting a random subcohort along ...

A longitudinal, relationship-based case management approach significantly reduced health care costs and improved quality of life for Medicaid enrollees with complex needs over 1 year. Objectives: This ...

As biomarker studies employ increasingly complex and expensive genomics and other correlative methods, it is increasingly important to rigorously design these studies and analyze the downstream ...

Background.The extent to which iatrogenically-immunosuppressed individuals benefit from indirect effects of childhood vaccination with pneumococcal conjugate vaccines (PCVs) is unknown. We determined ...

Eligibility criteria for selecting studies We included cohort studies that explored the association between walking speed and the risk of type 2 diabetes in adults. We used random-effects ...