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Table 5 Summary of visits with a diagnosis of pharyngotonsillitis, per calendar month (2013–2016 combined). Age 30+ 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*

170

155

155

144

144

156

143

124

104

133

121

178

144

Women, % of visits

(95% CI)

40

(36–43)

42

(38–46)

39

(36–43)

37

(33–41)

34

(30–38)

34

(30–37)

41

(37–45)

42

(38–46)

39

(34–43)

37

(33–41)

36

(32–41)

36

(32–39)

38

(37–39)

RADT used,

% of visits

(95% CI)

63

(60–67)

64

(60–68)

63

(59–67)

65

(61–69)

63

(59–67)

68

(64–72)

63

(59–67)

64

(59–68)

62

(57–66)

60

(56–64)

64

(60–68)

68

(65–72)

64

(63–65)

Positive RADTs/all RADTs, %

(95% CI)

67

(63–71)

67

(62–71)

67

(63–72)

67

(62–71)

68

(63–73)

67

(62–71)

61

(56–66)

56

(51–62)

61

(55–66)

66

(60–71)

66

(60–71)

68

(64–72)

65

(64–67)

Culture obtained, % of visits

(95% CI)

4.7

(3.4–6.5)

5.9

(4.4–8.1)

5.8

(4.2–7.9)

5.2

(3.7–7.3)

6.4

(4.7–8.7)

6.8

(5.1–9.1)

5.3

(3.7–7.4)

10.4

(8.0–13.3)

7.9

(5.7–10.9)

7.6

(5.7–10.2)

6.0

(4.2–8.5)

4.9

(3.6–6.7)

6.3

(5.7–6.9)

  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)