TABLE 2.

Clinical symptoms and signs, and acute complications in symptomatic acute Q fever patients^a and biological findings in patients with acute Q fever whether symptomatic or not^b

Clinical findings	% of patients with indicated findings	Biological findings	% of patients with indicated findings
Fever	88–100	Normal leukocyte count	90
Fatigue	97–100	Thrombocytopenia	25
Chills	68–88	Increased transaminase levels	45–85
Headache	68–98	Increased bilirubin levels	9–14.3
Myalgia	47–69	Increased alkaline phosphatase levels	27.7–57
Sweats	31–98	Increased γ-glutamyl transferase levels	25–75
Cough	24–90	Increased creatine phosphokinase levels	29
Nausea	22–49	Increased lactate-dehydrogenase levels	33.3–40
Vomiting	13–42	Increased creatinine levels	29–40
Chest pain	10–45	Elevated erythrocyte sedimentation rate	43–87.5
Diarrhea	5–22	Smooth muscle antibodies	65
Skin rash	5–21	Antiphospholipase antibodies	50
Myocarditis	0.5–1
Pericarditis	1
Meningoencephalitis	1
Death	1–2

^aData compiled from references 84, 220, 282, 341, and 365. 

^bData compiled from references 81, 217, 282, 293, 338, and 341.