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Table 3 Summary of visits with a diagnosis of pharyngotonsillitis, per calendar month (2013–2016 combined). Age 0–14 years

From: Seasonal variations in use and outcome of rapid antigen detection tests and cultures in pharyngotonsillitis: a register study in primary care

 

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

\(\overline{x }\)

Mean number of weighted visits*

180

198

187

193

163

169

126

107

111

160

166

202

163

Women, % of visits

(95% CI)

56

(52–59)

52

(48–55)

50

(47–54)

51

(47–55)

49

(45–53)

49

(45–53)

51

(46–55)

48

(43–53)

51

(47–56)

54

(50–58)

52

(48–56)

53

(49–56)

51

(50–52)

RADT used,

% of visits

(95% CI)

69

(65–72)

69

(65–72)

69

(66–72)

71

(68–75)

67

(64–71)

71

(67–74)

67

(63–71)

67

(63–71)

64

(60–68)

66

(62–69)

70

(67–73)

69

(66–72)

68

(67–69)

Positive RADTs/all RADTs, %

(95% CI)

80

(77–83)

79

(75–82)

80

(76–83)

85

(81–88)

82

(78–85)

78

(74–82)

73

(68–78)

73

(68–78)

69

(63–73)

72

(67–76)

76

(72–80)

81

(77–84)

78

(77–79)

Culture obtained, % of visits

(95% CI)

2.7

(1.7–4.1)

2.8

(1.9–4.3)

3.4

(2.3–4.9)

4.0

(2.7–5.8)

3.6

(2.4–5.2)

3.4

(2.2–5.1)

3.8

(2.5–5.9)

5.2

(3.5–7.7)

4.5

(3.0–6.7)

4.1

(2.8–5.9)

3.1

(2.1–4.7)

1.9

(1.2–3.1)

3.4

(3.0–3.8)

  1. CI confidence interval; RADT rapid antigen detection test for group A streptococci
  2. *The numbers are weighted to the length of the month (divided by the number of days and multiplied by 30)