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dc.contributor.authorBarma, Maryam-
dc.contributor.authorGoodbrand, James A-
dc.contributor.authorDonnan, Peter T-
dc.contributor.authorMcGilchrist, Mark M-
dc.contributor.authorFrost, Helen-
dc.contributor.authorMcMurdo, Marion E T-
dc.contributor.authorWitham, Miles D-
dc.description.abstractBackground  Enhancing biological resilience may offer a novel way to prevent and ameliorate disease in older patients. We investigated whether changes in C-reactive protein (CRP), as a dynamic marker of the acute inflammatory response to diverse stressors, may provide a way to operationalize the concept of resilience in older adults. We tested this hypothesis by examining whether such changes could predict prognosis by identifying which individuals are at greater risk of 6-month mortality.  Methods  Analysis of prospective, routinely collected datasets containing data on hospitalization, clinical chemistry and rehabilitation outcomes for rehabilitation inpatients between 1999 and 2011. Maximum CRP response during acute illness and CRP recovery indices (time and slope of CRP decay to half maximum, and to <50mg/L if peak values were greater than 50mg/L) was derived from biochemistry data. 6-month survival plots were conducted on quartiles of CRP recovery indices. Cox proportional hazards models were used to test univariate and multivariate predictors of 6-month mortality. Covariates included age, sex, number of medications, serum calcium, haemoglobin level, renal function, and the presence of previous myocardial infarction, stroke, chronic heart failure, COPD and diabetes.  Results  3723 patients, mean age 84 years, were included. 1535 (41%) were male and 733 (20%) died during six-month follow-up. The lower an individual’s peak CRP reading, and the longer the time taken for their CRP to fall, the better their 6-month survival. The time for CRP to reach half of its maximum value was the best dynamic CRP index of survival (HR 0.93 per week, 95% CI 0.89 to 0.98; p = 0.004); this remained significant even after adjustment for maximum CRP level and covariates listed above.  Conclusion  CRP recovery indices are associated with survival in older people; further work is required to explain differences in physiology between patients with a fast and slow CRP recovery.en_UK
dc.publisherPublic Library of Science-
dc.relationBarma M, Goodbrand JA, Donnan PT, McGilchrist MM, Frost H, McMurdo MET & Witham MD (2016) Slower Decline in C-Reactive Protein after an Inflammatory Insult Is Associated with Longer Survival in Older Hospitalised Patients, PLoS ONE, 11 (7), Art. No.: e0159412.-
dc.rights© 2016 Barma et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.-
dc.titleSlower Decline in C-Reactive Protein after an Inflammatory Insult Is Associated with Longer Survival in Older Hospitalised Patientsen_UK
dc.typeJournal Articleen_UK
dc.citation.jtitlePLoS ONE-
dc.type.statusPublisher version (final published refereed version)-
dc.contributor.affiliationUniversity of Dundee-
dc.contributor.affiliationUniversity of Dundee-
dc.contributor.affiliationUniversity of Dundee-
dc.contributor.affiliationUniversity of Dundee-
dc.contributor.affiliationHealth Sciences-
dc.contributor.affiliationUniversity of Dundee-
dc.contributor.affiliationUniversity of Dundee-
Appears in Collections:Faculty of Health Sciences and Sport Journal Articles

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