Table 1 Risk of short-term mortality in suspected, probable, or confirmed EVD cases

Demographic factors^a

HR^b

P value

AHR^c

P value

 age (years)

1.02

< 0.001

1.01

1.02

–

–

–

–

 sex

1.51

0.007

1.12

2.03

1.52

0.006

1.13

2.05

Clinical symptoms

HR

P value

AHR

P value

 fever

6.63

0.001

2.12

20.76

2.50

0.116

0.80

7.83

 vomit/nausea

1.93

< 0.001

1.35

2.77

1.58

0.013

1.10

2.26

 diarrhea

1.99

< 0.001

1.42

2.77

1.66

0.003

1.19

2.32

 fatigue

1.58

0.027

1.05

2.38

1.23

0.331

0.81

1.85

 abdominal pain

1.26

0.120

0.94

1.70

1.18

0.273

0.88

1.59

 muscle pain

1.08

0.613

0.79

1.48

0.85

0.307

0.62

1.16

 joint pain

1.38

0.032

1.03

1.86

1.15

0.361

0.85

1.55

 headache

0.95

0.755

0.71

1.28

0.82

0.188

0.61

1.10

 difficulty swallowing

1.17

0.437

0.79

1.74

1.11

0.620

0.74

1.64

 unexplained bleeding

2.17

0.013

1.18

3.99

2.327

0.007

1.26

4.30

 number of symptoms

1.08

0.009

1.02

1.15

1.02

0.549

0.95

1.09

Treatment given^d

HR

P value

AHR

P value

 isolation (n = 159)

ref

–

–

–

ref

–

–

–

 quarantine (n = 70)

0.46

< 0.001

0.31

0.69

0.70

0.081

0.47

1.05

 hospitalization (n = 162)

0.25

< 0.001

0.18

0.35

0.26

< 0.001

0.18

0.37