An evaluation of the association between systemic inflammation--as measured by C-reactive protein--and hospital resource use

Poole, C. D., Conway, P. and Currie, Craig John 2007. An evaluation of the association between systemic inflammation--as measured by C-reactive protein--and hospital resource use. Current Medical Research and Opinion 23 (11) , pp. 2785-2792. 10.1185/030079907x233205

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Abstract

OBJECTIVE: To evaluate the association between inflammatory status, as measured by C-reactive protein (CRP), during inpatient admission and subsequent inpatient outcome and associated resource use. METHODS: Probabilistic record linkage was used to match hospital episode data, laboratory reports and mortality statistics in a large urban population of 424,000 people in South Wales, UK. Inpatient mortality, length of stay, emergency readmissions and subsequent 1-year hospital bed day occupancy were assessed as a function of CRP status. RESULTS: Between 2001 and 2005, in total there were 432,272 CRP observations from 98,505 people; 69,593 admissions had at least one CRP measurement, affecting 47,100 individual patients. Across all ICD-10 primary diagnoses, CRP was acutely high (> 10 mg/L) in three-quarters of admissions. Acutely high CRP was associated with an eight-fold increase in risk of hospital mortality (p < 0.001) and a doubling of length of stay (p < 0.001) compared to normal CRP levels, after standardising for age and gender. Across the range of observed maximum CRP values measured during admissions (1 mg/L to > 400 mg/L) the likelihood of emergency readmission within 28 days of discharge increased by 50% (p < 0.001), and the predicted number of subsequent bed days occupied in the year following discharge increased by 30-58% across the range of CRP measurement (p = 0.004). CONCLUSIONS: CRP has been found to be clearly associated with hospital resource use. Furthermore, CRP also predicted in-hospital mortality. This may imply that better management of systemic inflammation would result in resource savings in inflammatory diseases such as rheumatoid arthritis.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Subjects:	R Medicine > R Medicine (General) R Medicine > RZ Other systems of medicine
Publisher:	Informa Healthcare
ISSN:	0300-7995
Last Modified:	04 Jun 2017 06:38
URI:	https://orca.cardiff.ac.uk/id/eprint/63020

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