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. 2009 Jan 14;47(3):586–589. doi: 10.1128/JCM.00997-08

TABLE 1.

Main symptoms of patients upon admission at Hue Medical Collegea

Symptom Frequency (%) No. of patients (n = 48) 95% CI
Fever (>38.5°C) 85 41 73-94
Eschar 94 45 81-98
Lymphadenopathy 73 35 58-84
Maculopapular skin rash 25 12 9-32
Headache 88 42 75-96
Hepatosplenomegaly 31 15 17-44
a

Listed are the symptoms, frequency of occurrence, numbers of patients, and 95% CI.