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. 2015 May 20;10(5):e0127347. doi: 10.1371/journal.pone.0127347

Table 5. Comparison of MRSA-ID, ORSA and oxacillin-MSA in detection of methicillin-resistant Staphylococcus aureus (MRSA) verified by mecA and nuc PCR.

Medium Number of MRSA strains detected Sensitivity (%) Specificity (%)
(number after 48h) 24 h 48 h 24 h 48 h
MRSA-ID 34 (40) 80.9 95.2 100 99.6
ORSA 29 (35) 69.1 83.3 99.1 95.1
oxacillin-MSA 27 (33) 64.3 78.6 98.7 94.4
Any* 42 from 600 swabs

*Any = Total number of MRSA isolated.