TABLE 5.

Evaluation of MRSA PCR assay using DNAs from a variety of methicillin-susceptible and methicillin-resistant staphylococcal strains

Staphylococcal strain type (no. of strains)aNo. (%) with PCR result
PositiveNegative
MRSA (1,657)1,636 (98.7)21 (1.3)
MSSA (569)26 (4.6)543 (95.4)
MRCoNS (212)0212 (100)
MSCoNS (74)074 (100)
  • a Reference strains used are listed in Tables 1 and 2. The origins of the staphylococcal clinical isolates are described in Materials and Methods.