Background Administrative or population health datasets (PHDS) are increasingly being
used for research related to maternal and infant health. However, the accuracy and …

BACKGROUND: Information in health administrative databases increasingly guides renal
care and policy. STUDY DESIGN: Systematic review of observational studies. SETTING & …

Background: Validation of recorded data is a prerequisite for studies that utilize
administrative databases. The present study evaluated the validity of diagnoses and …

Objectives: The epidemiology of chronic critical illness is not well characterized. We sought
to determine the prevalence, outcomes, and associated costs of chronic critical illness in the …

Importance Little is known about functional trajectories of older persons in the year before
and after admission to the intensive care unit (ICU) or how pre-ICU functional trajectories …

Objective: Few contemporary population-based data exist about the incidence, patient
characteristics, and outcomes of mechanical ventilation in acute care hospitals. We sought …

BACKGROUND: Hyponatremia is the most common electrolyte abnormality in hospitalized
individuals. METHODS: To investigate the association between serum sodium concentration …

Background Critically ill patients are medically complex and may benefit from a
multidisciplinary approach to care. Methods We conducted a population-based retrospective …

Despite improvements in intensive care and dialysis, some experts have concluded that
outcomes associated with acute renal failure (ARF) have not improved significantly over …

BACKGROUND We sought to determine nationwide, population-based trends in rates of
Clostridium difficile (C. difficile) infection among hospitalized inflammatory bowel disease …