Factor

Number positive (%)

Number negative (%)

COR (95% Cl)

P-value

AOR (95% Cl)

P-value

Age group/years

≤20

1 (7.7)

12 (92.3)

1

21 - 30

1 (7.7)

12 (92.3)

1 (0.056 - 17.903)

>0.999

31 - 40

2 (11.1)

16 (88.9)

1.5 (0.121 - 18.54)

0.752

41 - 50

3 (12.0)

22 (88.0)

1.636 (0.153 - 17.504)

0.684

51 - 60

8 (22.9)

27 (77.1)

3.556 (0.399 - 31.682)

0.256

>60

9 (19.6)

37 (80.4)

2.919 (0.335 - 25.467)

0.332

Sex

Female

7 (9.7)

65 (90.3)

1

1

Male

17 (21.8)

61 (78.2)

2.588 (1.004- 6.671)

0.049

2.229 (0.802 - 6.194)

0.124

Level of Education

Primary

8 (17.4)

38 (82.6)

1

Secondary

9 (15.8)

48 (84.2)

0.891 (0.314 - 2.528)

0.828

Tertiary

7 (14.9)

40 (85.1)

0.831 (0.275 - 2.515)

0.744

Occupation

Student

2 (10.5)

17 (85.5)

1

Self Employed

6 (14.6)

35 (85.4)

1.457 (0.266 - 7.992)

0.665

Employed

5 (19.5)

21 (80.8)

2.024 (0.348 - 11.764)

0.432

Unemployed

11 (17.2)

53 (82.8)

1.764 (0.355 - 8.761)

0.488

Department

Emergency

13 (17.1)

63 (82.9)

1

Paediatric

1 (11.1)

8 (88.9)

0.606 (0.07 - 5.268)

0.650

Internal Medicine

5 (14.7)

29 (85.3)

0.727 (0.188 - 2.811)

0.644

Reanimation

3 (13.0)

20 (87.0)

0.336 (0.272 - 2.564)

0.753

Surgical Ward

2 (25.0)

6(75.0)

1.615 (0.293 - 8.914)

0.582

Temperature

≤37.9˚C

3 (5.8)

49 (94.2)

1

1

>37.9˚C

21 (21.4)

77 (78.6)

4.455 (1.261 - 15.73)

0.020

4.193 (1.121 - 15.693)

0.033

Under Antibiotics

No

17 (13.6)

108 (86.4)

1

1

Yes

7 (28.0)

18 (72.0)

2.471 (0.898 - 6.795)

0.080

2.384 (0.771 - 7.373)

0.131

Past Hospitalisation

No

17 (14.4)

101 (85.6)

1

Yes

7 (21.9)

25 (78.1)

1.664 (0.622 - 4.446)

0.310

Diagnose of an infection

No

19 (18.1)

86 (81.9)

1

Yes

5 (11.1)

40 (88.9)

0.566 (0.197 - 1.624)

0.290

Under respiratory assistance

No

12 (11.3)

94 (88.7)

1

1

Yes

12 (27.3)

18 (72.7)

4.286 (1.653 - 11.111)

0.003

4.311 (1.458 - 12.749)

0.008

Underlying Diseases

No

17 (14.2)

103 (85.8)

1

1

Yes

7 (23.3)

23 (76.7)

1.844 (0.686 - 4.96)

0.225

1.138 (0.356 - 3.642)

0.828

Past operation

No

21 (17.4)

100 (82.6)

1

Yes

3 (10.6)

26 (89.7)

0.549 (0.152 - 1.985)

0.361