Background: The role of vitamin D in people who are at risk for type 2 diabetes remains
unclear. Purpose: To evaluate whether administration of vitamin D decreases risk for …

Magnetic resonance imaging and computed tomography from multiple batches (eg sites,
scanners, datasets, etc.) are increasingly used alongside complex downstream analyses to …

Power analysis for first-order interactions poses two challenges:(a) Conducting an
appropriate power analysis is difficult because the typical expected effect size of an …

OBJECTIVE Postrandomization biases may influence the estimate of efficacy of
supplemental vitamin D in diabetes prevention trials. In the Vitamin D and Type 2 Diabetes …

Background In patients with acute ischemic stroke caused by a proximal intracranial arterial
occlusion, intraarterial treatment is highly effective for emergency revascularization …

Importance Previous trials have suggested that vasopressin and methylprednisolone
administered during in-hospital cardiac arrest might improve outcomes. Objective To …

Music has been identified as a strength in people with Autism Spectrum Disorder; however,
there is currently no neuroscientific evidence supporting its benefits. Given its universal …

Background Incisional hernia is a frequent complication of midline laparotomy and is
associated with high morbidity, decreased quality of life, and high costs. We aimed to …

In this article, the third in the PROGRESS series on prognostic factor research, Sara Schroter
and colleagues review how prognostic models are developed and validated, and then …

Importance Results of studies on use of prophylactic haloperidol in critically ill adults are
inconclusive, especially in patients at high risk of delirium. Objective To determine whether …