ERP Micro December 2019

B astin et al . : J ournal of AOAC I nternational V ol . 101, N o . 5, 2018  1603

Table 2017.09O. Comparative results for the identification of Gram-negative organisms: Cronobacter exclusivity

Candidate Chromogenic Cronobacter Isolation Agar

Candidate Tryptic Soy Agar

Candidate Enterobacter sakazakii Isolation Agar

Ref. Tryptic Soy Agar

X a

N b

Percent PA c

Target

Collaborator

X N Percent PA X N Percent PA X N Percent PA

Gram-negative organisms

1 2 3 4 5 6 7 8 9

8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8

100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

8 8 8 8 8 8 7 7 d 8 8 8 8 8 8 8 8 7 8 8 8 8 8 5 5 e 5 5 e 6 6 f

100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 88.0

8 8 8 8 8 8 8 8 8 8 8 8 7 7 d 8 8 8 8 8 8 8 8 8 8 7 7 d 6 6 f

100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

8 8 8 8 8 8 8 8 7 8 8 8 8 8 7 8 8 8 7 8 8 8 7 8 7 8 6 8

100.0 100.0 100.0 100.0

88.0

100.0 100.0

88.0

100.0

10 11 12 13 14

88.0

100.0

88.0 88.0 75.0

a X=Number of correct identifications. b N=Total number of isolates tested. c PA=Positive agreement. d No growth observed on agar for one isolate. e No growth observed on agar for three isolates. f No growth observed on agar for two isolates.

Table 2017.09P. Comparative results for the confirmation of Gram-negative organisms: Cronobacter exclusivity

Candidate Chromogenic Cronobacter Isolation Agar

Candidate Tryptic Soy Agar

Candidate Enterobacter sakazakii Isolation Agar

Ref. Tryptic Soy Agar

X a

N b

Percent PA c

Target

Collaborator

X N Percent PA X N Percent PA X N Percent PA

Gram-negative organisms

1 2 3 4 5 6 7 8 9

8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8

100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

8 8 8 8 8 8 7 7 d 8 8 8 8 8 8 8 8 7 8 8 8 8 8 5 5 e 5 5 e 6 6 f

100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 88.0

8 8 8 8 8 8 8 8 8 8 8 8 7 7 d 8 8 8 8 8 8 8 8 8 8 7 7 d 6 6 f

100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8

100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

10 11 12 13 14

a

X=Total number of isolates tested.

b N=Number of correct identifications. c PA=Positive agreement. d No growth observed on agar for one isolate. e No growth observed on agar for three isolates. f No growth observed on agar for two isolates.