A nonprobability sampling design is chosen when investigators cannot estimate the chance
of a given individual being included in the sample. Such designs enable investigators to …

Background: Over the past decade, noninvasive positive-pressure ventilation (NPPV) in the
setting of acute exacerbations of chronic obstructive pulmonary disease (COPD) has …

© 2011 Canadian Medical Association or its licensors CMAJ, February 22, 2011, 183 (3)
E195 backgrounds in clinical and/or nonclinical expertise: 15 were experts in critical care …

Importance Advance care planning can improve patient-centered care and potentially
reduce intensification of care at the end of life. Objectives To inquire about patients' advance …

We identified 65 observational studies of weaning predictors that had been reported in 70
publications. After grouping predictors with similar names but different thresholds, the …

Background Few resources are available to support caregivers of patients who have
survived critical illness; consequently, the caregivers' own health may suffer. We studied …

Rationale: Disability risk groups and 1-year outcome after greater than or equal to 7 days of
mechanical ventilation (MV) in medical/surgical intensive care unit (ICU) patients are …

Objective: Rationing critical care beds occurs daily in the hospital setting. The objective of
this systematic review was to examine the impact of rationing intensive care unit beds on the …

Objective: To assess the effect of NPPV on the rate of endotracheal intubation, intensive
care unit and hospital length of stay, and mortality for patients with acute hypoxemic …

Objective: Risk-prediction models offer potential advantages over physician predictions of
outcomes in the intensive care unit (ICU). Our systematic review compared the accuracy of …