Pneumonia risk stratification in tropical Australia: does the SMART-COP score apply?

Joshua Davis, Gail B Cross, Patrick Charles, Bart Currie, Nicholas Anstey, Allen Cheng

    Research output: Contribution to journalArticle

    Abstract

    Objective: To examine the performance in tropical northern Australia of SMART-COP, a simple scoring system developed in temperate Australia to predict the need for intensive respiratory or vasopressor support (IRVS) in pneumonia patients.

    Design, setting and patients: A prospective observational study of patients admitted to Royal Darwin Hospital in the Northern Territory with sepsis between August 2007 and May 2008. Chest x-rays were reviewed to confirm pneumonia, and each patient's SMART-COP score was assessed against the need for IRVS.

    Results: Of 206 patients presenting with radiologically confirmed pneumonia, 184 were eligible for inclusion. The mean age of patients was 50.1 years, 65% were Indigenous and 56% were men. Overall, 38 patients (21%) required IRVS, and 18 patients (10%) died by Day 30. A SMART-COP score of ?3 had a sensitivity of only 71% for predicting the need for IRVS and 67% for 30-day mortality. As the variables most strongly associated with IRVS were serum albumin level < 35 g/L (odds ratio, 6.8) and Indigenous status (odds ratio, 2.3), we tested a modified scoring system (SMARTACOP) that used a higher weighting for albumin and included Indigenous status. A SMARTACOP score of ?3 had a sensitivity of 97% for IRVS and 100% for 30-day mortality.

    Conclusions: The SMART-COP score underestimates the severity of pneumonia in tropical northern Australia, but can be improved by using locally relevant additions.
    Original languageEnglish
    Pages (from-to)133-136
    Number of pages4
    JournalMedical Journal of Australia
    Volume192
    Issue number3
    Publication statusPublished - 1 Feb 2010

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