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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