Table 1 Results of the HRM speciation assay tested on 113 Gram-negative bacterial isolates compared with a reference standard of 16S rRNA PCR and sequencing, by individual target.

From: Speciation of common Gram-negative pathogens using a highly multiplexed high resolution melt curve assay

HRM

Reference test - 16S PCR and sequencing

total

Ab

Ec

S

Kp

Ko

Pa

16S

Negative

A. baumannii

1

0

0

0

0

0

0

0

1

E. coli

0

37

0

0

0

0

0

0

37

Salmonella sp.

0

0

1

0

0

0

0

0

1

K. pneumoniae

0

0

0

25

0

0

0

0

25

K. oxytoca

0

0

0

0

1

0

0

0

2

P. aeuruginosa

0

0

0

0

0

3

0

0

3

16S

0

0

0

0

0

0

99

0

99

Negative

0

0

0

2

0

0

14

608

624

Total

1

37

1

27

1

3

113

609

791

  1. Concordant results are highlighted. (Ab) A. baumannii, (Ec) E. coli, (S) Salmonella, (Kp) K. pneumoniae, (Ko) K. oxytoca, (Pa) P. aeruginosa.