Table 2. Clinical features of patients with serologic evidence for acute spotted fever rickettsioses admitted to Mahosot Hospital*.

Patient no.	Age (y), sex	Occupation	Month of onset of illness	Clinical features	Home
45	30, male	Construction worker	March	18-day fever, myalgia, nausea, epistaxis, vomiting, abdominal pain, petechial rash on trunk and legs; liver and spleen not palpable; treated with ampicillin and gentamicin	Vientiane City
72	35, female	Teacher	April	13-day fever, chills, headache, nausea, myalgia, vomiting, conjunctival suffusion, dyspnea, 12-cm liver; treated with ofloxacin	Vientiane City
86	25, male	Health worker	May	11-day fever, headache, nausea, vomiting, abdominal pain, 10-cm liver	Vientiane City
114	18, male	Student	June	14-day fever, chill, headache, arthralgia, myalgia, rash developed 2 days after admission, 12-cm liver; treated with ofloxacin	Vientiane Province
198	50, male	Government official	September	24-day fever, headache, arthralgia, myalgia, vertigo, epistaxis, diarrhea; abdominal CT suggested hepatic carcinoma; no antimicrobial drug	Xieng Khuang Province
237	64, male	Government official	September	21-day fever, myalgia, arthralgia, abdominal pain, sore throat, cough, dyspnea; chest exam abnormal	Vientiane City
290	24, female	Construction worker	March	7-day fever, headache, vomiting, myalgia, unproductive cough, diarrhea; treated with doxycycline	Vientiane City
362	23, female	Student	June	10-day fever, myalgia, headache, conjunctival suffusion, 8-cm liver; treated with doxycycline	Vientiane City
297	43, female	Housewife	March	14-day fever, headache, jaundice, RUQ pain, myalgia, 8-cm hepatomegaly; abdominal CT suggested tumor of intrahepatic bile ducts (cholangiocarcinoma?); treated with ampicillin and gentamicin	Xieng Khuang Province
55	34, female	Housewife	April	7-day fever, chills, headache, myalgia, diarrhea, abdominal pain, nausea, vomiting, rash on arms and abdomen; treated with oral chloramphenicol	Vientiane Province
239	46, male	Merchant	November	6-day fever, headache, myalgia, arthralgia, nausea, abdominal pain, diarrhea, dyspnea, dry cough, and sore throat; treated with doxycycline	Vientiane City

*CT, computed tomographic scan; RUQ, right upper quadrant.