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Intern Med J. 2013 Jun;43(6):712-6. doi: 10.1111/imj.12066.

Relationship between in-hospital location and outcomes of care in patients of a large general medical service.

Author information

1
School of Computer Science, Engineering and Mathematics, Information, Science and Technology, Flinders University, Australia. lua.perimal-lewis@flinders.edu.au

Abstract

BACKGROUND:

The discrepancy between the number of admissions and the allocation of hospital beds means that many patients admitted under the care of a general medical service can be placed in other departments' wards. These patients are called 'outliers', and their outcomes are unknown.

AIMS:

To examine the relation between the proportion of time each patient spent in their 'home ward' during an index admission and the outcomes of that hospital stay.

METHODS:

Data from Flinders Medical Centre's patient journey database were extracted and analysed. The analysis was carried out on the patient journeys of patients admitted under the general medicine units.

RESULTS:

Outlier patients' length of stay was significantly shorter than that of the inlier patients (110.7 h cf 141.9 h; P < 0.001).They had a reduced risk of readmission within 28 days of discharge from hospital. Outlier patients' discharge summaries were less likely to be completed within a week (64.3% cf 78.0%; P < 0.001). Being an outlier patient increased the risk-adjusted risk of in-hospital mortality by over 40%. Fifty per cent of deaths in the outlier group occurred within 48 h of admission. Outlier patients had spent longer in the emergency department waiting for a bed (6.3 h cf 5.3 h; P < 0.001) but duration of emergency department stay was not an independent predictor of mortality risk.

CONCLUSION:

Outlier patients had significantly shorter length of stay in hospital but significantly greater in-patient death rates. Surviving outlier patients had lower rates of readmission but lower rates of discharge summary completion.

PMID:
23279255
DOI:
10.1111/imj.12066
[Indexed for MEDLINE]

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