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Table 2 Proportion of NTHi reclassified as Hh, according to specimen type

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

Specimen type No. phenotypic NTHI +ve specimens No specimens with multiple NTHi scrutinised No. of phenotypic NTHi isolates tested No. isolates NTHi by HRM (%) No. isolates reclassified Hh by HRM (%) No. isolates equivocala by HRM (%) No. specimens with concurrent NTHi and Hh by HRM (%)b No. specimens reclassified Hh by HRM (%)
Np 712 153 879 817 (93) 3 (0.34) 59 (7) 1/153 (1) 2 (0.3)
Ear discharge 15 5 21 21 (100) 0 0 0 0
BAL 30 15 55 34 (62) 14 (25) 7 (13) 7/15 (47) 2 (7)
Throat 16 8 30 15 (50) 12 (40) 3 (10) 2/8 (25) 7 (44)
Total 773 179 985 887 (90) 29 (3) 69 (7) 9/179 (5) 11 (1)
  1. aFail to amplify in PCR-HRM
  2. bDenominator no. specimens with multiple NTHi scrutinised