Effect of Chronic Illnesses on Length of Stay and Mortality of Community Acquired Pneumonia in a Community Hospital
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The aim of this study was to determine the effect of demographics, substance abuse, and chronic illnesses on length of hospitalization and mortality of pneumonia. 866 patients admitted to a community hospital with diagnosis of community-acquired pneumonia were studied. Linear and logistic regression analyses were performed for the effect of chronic illnesses on length of stay and mortality. Age (p=0.064), coronary artery disease (p=0.017), congestive heart failure (p=0.011), history of neoplasm (p=0.079) and chronic kidney disease (p[less than]0.001) were associated with increased length of stay. Age (p[less than]0.001), history of stroke (p=0.013), history of neoplasm (p=0.028), and chronic kidney disease (p=0.005) were associated with higher mortality from community-acquired pneumonia. Asthma was associated with decreased length of stay (p=0.006) but no difference in mortality. Respiratory failure and congestive heart failure exacerbation were associated with longer length of stay (p[less than]0.001) but no difference in mortality. ICU admission was associated with longer hospital stay and higher mortality (p[less than]0.001). Septic shock secondary to pneumonia was associated with longer length of stay and higher mortality (p[less than]0.0001). Age (p=0.04), alcohol abuse (p=0.03), coronary artery disease (p=0.05), congestive heart failure (p=0.009) and chronic kidney disease (p=0.011) were predictors of higher level of care needed during hospital stay for community acquired pneumonia.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.