Table 3 Bivariable and multivariable logistics regression analysis of chief clinical variables for S. pyogenes acute pharyngitis in FHCSH, Northwest Ethiopia, 1st February to 19th June 2020

Body temperature (In ^o C)

>  38

4

31

2.41 (1.41–8.79) 0.57

< 38

10

109

1

Painful throat

Yes

13

121

2.04 (1.25–16.51) 0.50

No

1

19

1

Headache

Yes

6

65

1.16 (1.08–3.50) 0.79

–

No

8

75

1

Vomiting

Yes

2

33

1.85 (1.94–8.69) 0.44

–

No

12

107

1

Abdominal pain

Yes

1

18

1.92 (1.24–15.56) 0.54

No

13

122

1

Enlarged tonsil

Yes

8

75

1.86 (1.38–3.50) 0.80

–

No

6

65

1

Recurrence

Yes

11

54

5.84 (1.56–21.87) 0.01*

5.87 (1.89–26.78) 0.02**

No

3

86

1

1

Inflame pharynx

Yes

9

87

1.10 (1.349–3.45) 0.88

–

No

5

53

1

Pharyngeal Exudate

Yes

12

84

4.0 (1.86–18.56) 0.08*

–

No

2

56

1

Lymphadenopathy

Yes

13

71

1.83 (1.6–5.56) 0.029*

14.45 (1.6–30.3) 0.02**

No

1

69

1

1

Scarlatiniform Rash

Yes

10

41

12.6 (1.61–99.2) 0.02*

–

No

4

99

1

Dysphagia

Yes

10

79

1.93 (1.58–6.45) 0.29

–

No

4

61

1

Running nose

Yes

2

25

1.3 (1.28–6.20) 0.74

–

No

12

115

1