Table 3. Significant characteristics of acute Q fever vs. adult community-acquired pneumonia by multivariate analysis.

	OR	95% CI	p
Male gender	22.745	2.037∼253.958	0.011
Alcoholism	0.083	0.010∼0.654	0.018
Dog contact	0.032	0.006∼0.180	<0.001
Chills	6.850	1.594∼29.443	0.010
Cough	0.105	0.021∼0.519	0.006
Thrombocytopeniaa	7.254	1.531∼34.370	0.013
Elevated GPT or GOT levelb	23.724	2.904∼193.817	0.003

OR = odds ratio; CI = confidence interval; GPT = Glutamate-pyruvate transaminase; GOT = Glutamate-oxaloacetate transaminase.

^aThrombocytopenia was defined as a platelet count of <150000 platelets/mm³.

^bGPT>44 U/L or GOT>38 U/L.