According to researchers in the U.S., analyses of patients, practices, and outcomes from a large geographically dispersed sample of adult ICUs revealed trends of increasing age and acuity, higher rates of adherence to best practice, use of noninvasive mechanical ventilation and decreased use of antimicrobials, transfusions, and duration of renal replacement therapies. Acuity adjusted length of stay (LOS) and in hospital mortality decreased.

The science of critical care continues to rapidly advance. However, the extent to which these advances in the science of critical care were associated with changes of critical care practice is unknown. In addition, the extent to which the aggregated effects of these advances have been associated with improved outcomes has not been carefully studied.

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