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Comparative Study
. 2014 Aug 14;18(4):491.
doi: 10.1186/s13054-014-0491-3.

Comparing mortality among adult, general intensive care units in England with varying intensivist cover patterns: a retrospective cohort study

M Elizabeth Wilcox, David A Harrison, Alasdair Short, Max Jonas, Kathryn M Rowan
Comparative Study

Comparing mortality among adult, general intensive care units in England with varying intensivist cover patterns: a retrospective cohort study

M Elizabeth Wilcox et al. Crit Care. .

Abstract

Introduction: Research has demonstrated that intensivist-led care of the critically ill is associated with reduced intensive care unit (ICU) and hospital mortality. The objective of this study was to evaluate whether a relation exists between intensivist cover pattern (for example, number of days of continuous cover) and patient outcomes among adult general ICUs in England.

Methods: We conducted a retrospective cohort study by using data from a pooled case mix and outcome database of adult general critical care units participating in the Intensive Care National Audit & Research Centre (ICNARC) Case Mix Programme. Consecutive admissions to participating units for the years 2010 to 2011 were linked to a survey of intensivist cover practices. Our primary outcome of interest was mortality at ultimate discharge from acute-care hospital.

Results: The analysis included 80,122 patients admitted to 130 ICUs in 128 hospitals. Multivariable logistic regression analysis was used to assess the relation between intensivist cover patterns (days of continuous cover, grade of physician staffing at nighttime, and frequency of daily handovers) and acute hospital mortality, adjusting for patient case mix. No relation was seen between days of continuous cover by a single intensivist or grade of physician staffing at nighttime and acute hospital mortality. Acute hospital mortality and ICU length of stay were not associated with intensivist characteristics, intensivist full-time equivalents per bed, or years of clinical experience. Intensivist participation in handover was associated with increased mortality (odds ratio, 1.27; 95% confidence interval, 1.04 to 1.55); however, only nine units reported no intensivist participation.

Conclusions: We found no relation between days of continuous cover by a single intensivist or grade of physician staffing at nighttime and patient outcomes in adult, general ICUs in England. Intensivist participation in handover was associated with increased mortality; further research to confirm or refute this finding is required.

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Figures

Figure 1
Figure 1
Numbers of adult general ICUs and patients in the study.
See this image and copyright information in PMC

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