Table 1.

Correlation between the oxacillin MIC and the presence of the mecA gene

Category and speciesPresence (+) or absence (−) of mecATotal no. of strains testedNo. of strains for which the MIC was:
0.1250.250.5124.0>4.0
I
S. epidermidis101101000000
+1640056619128
S. hominis4141000000
+4400233630
S. haemolyticus55000000
+2500000025
II
S. cohnii100010900
+40000103
S. saprophyticus2000415100
+20010100
S. warneri1640120000
+40000004
III
S. lugdunensis1800710100
+00000000
S. xylosus100046000
+00000000
IV
S. capitis1514010000
+00000000
S. schleiferi1010000000
+00000000
S. simulans44000000
+00000000