Main characteristics of nosocomial MRSA isolates collected in 1993 and 2010.

1One isolate with SCCmec type I variant: presence of mec complex class B and ccrAB type 1 was confirmed in simplex PCR;
2No amplification could be retrieved from SCCmec type III J1 locus (primer RIF5 F10/RIF5 R13). The presence of mec complex class A and ccrAB type 3 was confirmed in simplex PCR;
3spa typing and MLST were only performed on representative isolates of each PFGE type-SCCmec association;
4OX, oxacillin; E, erythromycin; CLI, clindamycin; LZD, linezolid; CIP, ciprofloxacin; QD, quinupristin-dalfopristin; SXT, sulfamethoxazole-trimethoprim; TE, tetracycline; FD, fusidic acid; RD, rifampicin; VAN, vancomycin; CN, gentamicin.