Table 3 Clinical characteristics of confirmed cases at the time of hospital admission

Typical symptoms of scrub typhus

Fever

480(100.0)

274(100.0)

--

Maculopapular rashes appeared on the trunk and proximal limbs

434 (90.4)

102(37.2)

< 0.001^a

Skin eschars

425 (88.5)

240(87.6)

0.697 ^a

Regional lymphadenopathy

291 (60.6)

248(90.5)

< 0.001^a

General symptoms of febrile disease

Chills

323 (67.3)

125(45.6)

< 0.001^a

Loss of appetite

398 (82.9)

243(88.7)

0.033^a

Erythematous flushes on the face, neck and upper bosom

234 (48.8)

--

--

Myalgia and prostration

480 (100.0)

250(91.2)

< 0.001^a

Ache

Headache

480 (100.0)

135(49.3)

< 0.001^b

Retro-orbital pain

83 (17.3)

188(68.6)

< 0.001^a

Heart damage

Electrocardiogram abnormity

38 (7.9)

74(27.0)

< 0.001^a

Toxic myocarditis

0

57(20.8)

< 0.001^b

Digestive system damage

Abdominal pain

234 (48.8)

67(24.5)

< 0.001^b

Nausea/vomiting

210 (43.8)

62(22.6)

< 0.001^a

Hepatosplenomegaly

84 (17.5)

166(60.6)

< 0.001^b

Alimentary tract hemorrhage

0

34(12.4)

< 0.001^b

Pleural fluid, or abdominal dropsy

0

27(9.9)

< 0.001^b

Kidney damage

Flank tenderness

48 (10.0)

86(31.39)

< 0.001 ^a