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Table 3 The concordance and discordance in specific bacterial pathogens in NP and BAL samples from 153 patients

From: Concordance in pathogen identification at the upper and lower respiratory tract of children with severe pneumonia

NPS/BALF

M. pneumoniae

H. influenzae

S. pneumoniae

M. catarrhalis

S. aureus

P. aeruginosa

A. baumannii

K. pneumoniae

NPS+

54

39

18

15

11

0

1

1

BALF+

69

29

10

3

2

6

1

0

NPS+/BALF+

48

20

5

2

1

0

1

0

NPS-/BALF+

21

9

5

1

1

6

0

0

NPS+/BALF-

6

19

13

13

10

0

0

1

NPS-/BALF-

78

105

130

137

141

147

152

152

Cohen’s kappa (95% CI)

0.64(0.52–0.76)

0.47(0.31–0.64)

0.30(0.06–0.54)

0.20(0.05–0.43)

-

-

-

-

X [2]

7.26

2.89

2.72

8.64

-

-

-

-

P

0.007

0.089

0.099

0.003

-

-

-

-