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Table 1 Number of swabs positive by qPCR and culture, sensitivity and specificity of qPCR compared with culture

From: Dominance of Haemophilus influenzae in ear discharge from Indigenous Australian children with acute otitis media with tympanic membrane perforation

 

H. influenzae

S. pneumoniae

M. catarrhalis

 

NP

ED

NP

ED

NP

ED

qPCR + Culture+

37

27

42

16

49

1

qPCR + Culture-

8

22

3

6

2

9

qPCR-Culture+

7

0

4

2

1

1

qPCR-Culture-

3

6

6

31

3

44

Sensitivity

0.84

1

0.91

0.89

0.96

0.5

Specificity

0.27

0.21

0.67

0.84

0.9

0.83

  1. NP, nasopharynx.
  2. ED, ear discharge.