Criteria for clinical stability in hospitalised patients with community-acquired pneumonia.

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Criteria for clinical stability in hospitalised patients with community-acquired pneumonia.

Eur Respir J. 2013 Sep;42(3):742-9

Authors: Aliberti S, Zanaboni AM, Wiemken T, Nahas A, Uppatla S, Morlacchi LC, Peyrani P, Blasi F, Ramirez J

Abstract
The American Thoracic Society (ATS) and Infectious Diseases Society of America (IDSA) suggested two sets of criteria in 2001 and 2007 to define clinical stability in community-acquired pneumonia (CAP). The present study aimed to evaluate the level of agreement between these two sets of criteria and how well they can predict clinical outcomes. A retrospective cohort study was carried out of 487 consecutive patients hospitalised with CAP. Level of agreement was tested using a survival curve analysis, while prediction of outcomes at 30-day follow-up was evaluated through receiver operating characteristic (ROC) analysis. A discrepancy between ATS 2001 and ATS/IDSA 2007 criteria in identifying clinical stability was detected in 62% of the patients. The median (interquartile range) time to clinical stability was 2 (1-4) days based on ATS 2001 and 3 (2-5) days based on ATS/IDSA 2007 criteria (p = 0.012). The daily distribution of patients who reached clinical stability evaluated with both sets was different (p = 0.002). The ROC analysis showed an area under the curve of 0.705 for the ATS 2001 criteria and 0.714 for ATS/IDSA 2007 criteria (p = 0.645). ATS 2001 and ATS/IDSA 2007 criteria for clinical stability in hospitalised patients with CAP are clinically equivalent and both can be used in clinical practice as well as in clinical research.

PMID: 23143544 [PubMed - indexed for MEDLINE]

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