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Table 4 Summary of visits with a diagnosis of pharyngotonsillitis, per calendar month (2013–2016 combined). Age 15–29 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*

130

120

124

113

112

122

122

143

128

137

126

130

125

Women, % of visits

(95% CI)

42

(38–46)

42

(37–46)

34

(30–38)

39

(35–44)

40

(36–45)

35

(31–39)

44

(40–49)

43

(39–47)

43

(39–47)

42

(38–46)

37

(33–42)

39

(35–43)

40

(39–41)

RADT used,

% of visits

(95% CI)

59

(55–63)

62

(58–66)

61

(57–65)

60

(55–64)

64

(59–68)

67

(63–71)

66

(62–70)

61

(57–65)

61

(57–65)

64

(60–68)

62

(57–66)

62

(58–66)

62

(61–64)

Positive RADTs/all RADTs, %

(95% CI)

48

(43–54)

50

(44–55)

49

(44–55)

48

(42–54)

48

(43–54)

50

(44–55)

46

(40–51)

36

(31–41)

40

(35–46)

44

(39–49)

49

(44–55)

45

(40–51)

46

(44–48)

Culture obtained, % of visits

(95% CI)

8.0

(6.0–10.6)

8.9

(6.7–11.7)

9.2

(7.0–12.0)

8.6

(6.4–11.5)

9.5

(7.2–12.6)

9.3

(7.1–12.2)

9.7

(7.4–12.6)

10.2

(8.0–12.9)

12.6

(10.1–15.7)

8.0

(6.0–10.5)

11.9

(9.4–14.9)

7.8

(5.8–10.4)

9.5

(8.8–10.2)

  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)