4.7 Article

The relation between hyperglycemia and outcomes in 2,471 patients admitted to the hospital with community-acquired pneumonia

Journal

DIABETES CARE
Volume 28, Issue 4, Pages 810-815

Publisher

AMER DIABETES ASSOC
DOI: 10.2337/diacare.28.4.810

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OBJECTIVE- To examine whether hyperglycemia at the time of presentation Was associated with outcomes in patients admitted to non-intensive care settings with community-acquired pneumonia (CAP). RESEARCH DESIGN AND METHODS - Prospective cohort study of consecutive patients admitted to six hospitals between 15 November 2000 and 14 November 2002. RESULTS - Of the 2,471 patients in this study (median age 75 years), 279 (11%) had serum glucose at presentation > 11 mmol/l: 178 of the 401 patients (44%) with a prior diagnosis of diabetes and 101 of the 2,070 patients (5%) without a history of diabetes. Of patients hospitalized With CAP, 9% died and 23% suffered an in-hospital complication. Compared with those with values <= 11 mmol/l, patients with an admission glucose > 11 mmol/l had an increased risk of death (13 vs. 9%, P = 0.03) and in-hospital complications (29 vs. 22%, P = 0.01). Compared with those patients with admission glucose :: 61 mmol/l, the mortality risk was 73% higher (95% Cl 12-168%) and the in-hospital complication risk was 52% higher (12-108%) in patients with admission glucose > 11 mmol/l. Even after adjustment for factors in the Pneunomia Severity, Index, hyperglycemia on admission remained significantly associated with subsequent adverse outcomes: for each 1-mmol/l increase, risk of in-hospital complications increased 3% (0.2-6%). CONCLUSIONS - Hyperglycemia on admission is independently associated with adverse outcomes in patients with CAP, with the increased risks evident at lower glucose levels than previously reported.

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