Skip to main content

Table 3 Unadjusted relative risk for each selected factor on severe scrub typhus

From: Clinical and laboratory findings associated with severe scrub typhus

Factors

Severe scrub typhus (n = 89)

Non-severe scrub typhus (n = 119)

Odds ratio (CI)

Pvalue

Age(year) > 60

71 (79.8%)

57 (47.9%)

4.3 (2.3-8.1)

< 0.001

Mean duration from disease onset to effective antibiotic therapy (days)

8.34 ± 5.1

7.11 ± 3.7

 

0.1

Underlying diseases (Diabetes, Liver cirrhosis, COPD)

6 (6.8%)

4 (3.3%)

2.1(0.6-7.8)

0.25

Headache

74 (83.1)

109 (91.6)

0.5 (0.2-1.1)

0.07

Myalgia

66 (74.2)

95(79.8)

0.7(0.4-1.4)

0.3

Skin rash

78(87.6)

111 (93.3)

0.5 (0.2-1.3)

0.2

Eschar

77 (86.5)

117 (98.3)

0.1 (0.02-0.5)

0.004

WBC count (> 10, 000/mm3)

37 (41.6%)

16 (13.4%)

4.6 (2.3-9.0)

< 0.001

Hemoglobin (≤ 10 g/dL)

10 (11.2%)

2 (1.7%)

0.14(0.03-0.63)

0.01

Platelet count (≤ 100, 000/mm3)

28(31.5%)

25(21.0%)

0.58(0.31-1.09)

0.09

AST (>40 IU)

79(88.8%)

108 (90.8%)

1.24(0.50-3.07)

0.64

ALT (>40 IU)

84(94.4%)

106 (89.1%)

1.0 (1.0-1.0)

0.16

ALP (>200 U/L)

19(21.6%)

17 (14.9%)

1.6(0.79-3.3)

0.19

Bilirubin (>1.0 mg/dL)

23(25.8%)

22 (18.5%)

1.54(0.79-2.98)

0.2

Albumin (≤ 3.0 g/dL)

28(31.5%)

6(5.1%)

8.5(3.32-21.64)

> 0.001

LDH (>800 U/L)

37(43.0%)

63(53.8%)

0.65(0.37-1.13)

0.13

CPK (>200 U/L)

24(27.9%)

31(26.7%)

1.06(0.57-1.98)

0.85

ADA (<100 IU/L)

13(22.0%)

13(19.4%)

1.17(0.50-2.78)

0.72

Serum creatinine (> 1.4 mg/dL)

31(34.8%)

3(2.5%)

20.7(6.06-70.4)

< 0.001

Fibrinogen (≤ 150 mg/dL)

6(7.2%)

3(2.8%)

0.37(0.09-1.51)

0.17

CRP (> 10 mg/dL)

37(44.6%)

29(24.8%)

2.44(1.34-4.46)

0.004

ESR (> 20 mm/hr)

33(39.8%)

41(35.3%)

1.21(0.68-2.16)

0.53

PT (> 15 sec)

2(2.2%)

2(1.7%)

1.31(0.18-9.49)

0.79

aPTT (>40 sec)

9(10.1%)

4 (3.4%)

3.15(0.94-10.59)

0.06

  1. Abbreviations as in Table 1