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. 2014 Feb;52(2):392–397. doi: 10.1128/JCM.02432-13

TABLE 3.

Discrepant ICR results for MRSA

Isolate^a	UCLA			bioMérieux^b
Isolate^a	AST-GP71 ICR lot 1	BMD ICR test	D-zone test	AST-GP71 ICR lot 1/lot 2	D-zone test	Molecular
MRSA ICR no. 1	Neg	Pos	Pos	Neg/Neg	Pos	ermA
MRSA ICR no. 2	Neg	Pos	Pos	Neg/Neg	Pos	ermA
MRSA ICR no. 3	Neg	Pos	Pos	Neg/Pos	Pos	ermA
MRSA ICR no. 4	Neg	Pos	Pos	Neg/Neg	Pos	ermA
MRSA ICR no. 5	Neg	Pos	Pos	Neg/Neg	Pos	ermA
MRSA ICR no. 6	Neg	Pos	Pos	Neg/Pos	Pos	ermA

^a

MRSA, methicillin resistance in S. aureus; ICR, inducible clindamycin resistance.

^b

Neg, negative for the ICR screen, clindamycin susceptible; Pos, positive for the ICR screen, clindamycin resistant.