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Published on: February 23, 2014

Characteristics of low-risk patients hospitalized with community-acquired pneumonia

O Etzion1, V Novack, L Avnon

  • 1Department of Medicine, Soroka University Medical Center, Beer-Sheva, Israel.

European Journal of Internal Medicine
|April 24, 2007
PubMed

Insights

Many low-risk community-acquired pneumonia (CAP) patients are hospitalized despite guidelines. This study found a high rate of low-risk CAP admissions, highlighting a tendency for physician caution over strict adherence to severity scores.

Area of Science:

  • Internal Medicine
  • Pulmonology
  • Epidemiology

Background:

  • Community-acquired pneumonia (CAP) severity scores exist, but low-risk patients are often hospitalized against recommendations.
  • This study investigates the rate, characteristics, and outcomes of hospitalized low-risk CAP patients.

Purpose of the Study:

  • To determine the hospitalization rate of low-risk CAP patients.
  • To analyze the clinical characteristics of these patients.
  • To evaluate the outcomes of hospitalized low-risk CAP patients.

Main Methods:

  • Prospective screening of CAP patients admitted to Internal Medicine over 18 months.
  • Calculation of Pneumonia Outcome Research Team (PORT) and pneumonia severity index (PSI) scores within 24 hours.
  • Categorization of patients into low (PSI I-II), intermediate (PSI III), and high-risk (PSI IV-V) groups.

Main Results:

  • 33.1% of 591 CAP patients were classified as low-risk.
  • Low-risk patients were younger and had fewer comorbidities.
  • Low-risk patients experienced shorter hospitalizations (4.4 days) and had 0% 30-day mortality, compared to intermediate and high-risk groups.

Conclusions:

  • A significant proportion of hospitalized CAP patients are low-risk, consistent with existing literature.
  • Physicians may prioritize a broader safety margin for hospitalization decisions over strict reliance on severity scores.
  • This suggests a clinical practice pattern favoring caution in CAP management.
Abstract

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