Table 3

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

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


* Cl denotes confidence interval; 1 elevated liver enzymes denotes ASAT and/or ALAT.

Fiumefreddo et al. BMC Pulmonary Medicine 2009 9:4   doi:10.1186/1471-2466-9-4

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