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Table 3 Prediction of Legionella CAP (n = 82) in univariate (a) and multivariate (b) logistic regression analysis

From: Clinical predictors for Legionella in patients presenting with community-acquired pneumonia to the emergency department

Univariate analysis
Predictor Odds ratio (95% CI*) P-value
   Age 0.98 0.97 1.00 0.017
   Temperature 1.93 1.51 2.46 <0.0001
   No dyspnea 1.75 1.06 2.9 0.03
   No cough 3.7 2.05 6.6 <0.0001
   No sputum 5.14 3.04 8.7 <0.0001
   Sodium 0.86 0.82 0.91 <0.0001
   Elevated liver enzymes1 3.32 2.02 5.48 <0.0001
   Lactate dehydrogenase 1.003 1.002 1.005 0.001
   Creatinine kinase 1.001 1.000 1.001 0.001
   C-reactive protein (CRP) 1.006 1.004 1.008 <0.0001
   Platelet counts 0.993 0.990 0.996 <0.0001
   Hemoglobinuria 2.95 1.64 5.32 <0.0001
   Proteinuria 2.88 1.56 5.29 0.001
Multivariate analysis
Predictor Odds ratio (95% CI) P-value
   Temperature 1.67 1.23 2.32 <0.0001
   No sputum 3.67 1.8 7.4 <0.0001
   Sodium 0.89 0.84 0.96 0.01
   Lactate dehydrogenase 1.003 1.000 1.005 0.007
   C-reactive protein (CRP) 1.006 1.003 1.009 <0.0001
   Platelet counts 0.991 0.987 0.995 <0.0001
  1. * Cl denotes confidence interval; 1 elevated liver enzymes denotes ASAT and/or ALAT.