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Table 3 Reclassification of isolates and specimens as Hh by the subgroups age and dwelling

From: Recommendations for application of Haemophilus influenzae PCR diagnostics to respiratory specimens for children living in northern Australia: a retrospective re-analysis

Specimen type

Subgroup

 

Hh isolate reclassification, n (%)

p value

Hh specimen reclassification, n (%)

p value

Np

Agea

≤1

0/275 (0)

 

0/218 (0)

 

Isolates, n = 879

 

>1–3

1/413 (0.2)

0.414

0/334 (0)

NA

Specimen, n = 712

 

>3–10

2/191 (1)

0.089

2/160 (1)

0.098

 

Dwelling

Urban

1/193 (0.2)

0.633

1/174 (0.6)

0.400

  

Remote

2/686 (0.3)

 

1/538 (0.2)

 

BAL

Age

≤1

–

   

Isolates, n = 55

 

>1–3

13/44 (30)

0.164

2/24 (8)

0.464

Specimen, n = 30

 

>3–10

1/11 (9)

 

0/6 (0)

 
 

Dwelling

Urban

5/10 (50)

0.049

0/4 (0)

0.556

  

Remote

9/45 (20)

 

2/26 (8)

 

Throat

Age

≤1

–

–

  

Isolate, n = 30

 

>1–3

8/23 (35)

0.290

4/11 (36)

0.377

Specimen, n = 16

 

>3–10

4/7 (57)

 

3/5 (60)

 
 

Dwelling

Urban

5/6 (83)

0.015

2/3 (66)

0.375

  

Remote

7/24 (29)

 

5/13(38)

 
  1. aAge p values referenced to ≤ 1