Table 5 Relative risks (RR) for Multiple Organ Dysfunction Syndrome (MODS) and mortality among patients with scrub typhus in a hospital of Meghalaya, India, Sept 2011–Aug 2012 (n = 90)

Gender (female vs. male)

1.3

0.46–3.5

0.637

12

0.68–210.8

0.637

Presence of eschar

2.4

0.79–7.28

0.122

2.0

0.25–16.17

0.515

Fever (<7 days vs. >7 days)

2.4

0.34–17.1

0.38

2.32

0.14–39.8

0.562

Occupation (farmer / labourer vs. others)

0.45

0.13–1.52

0.199

1.0

0.17–5.69

1.00

Age (≥60 years vs. <60 years)

1.63

0.43–6.24

0.471

2.25

0.2–18.02

0.44

Serum Bilirubin >3 mg/dl

16.16

5.97–43.7

<0.001^*

4.78

0.89–25.54

0.066

Platelet count <100,000/mm³

9.0

3.12–25.9

<0.001^*

6.0

1.082–33.2

0.04^*

Serum creatinine >1.5 mg/dl

29.9

7.4–120.4

<0.001^*

21.7

2.6–180.2

0.004^*

AST, ALT or both >500 IU/L^†

7.7

3.3–17.9

<0.001^*

6.0

1.15–31.2

0.03^*