TABLE 1.

Microbiological characteristics of the 391 American S. aureus isolates

PFGE typeTotal no. (% of total) of isolatesTotal no. (% of PFGE type) of isolates that were:
MSSAMRSA
USA10046 (11.8)2 (4.3)44 (95.7)
USA20089 (22.8)88 (98.9)1 (1.1)
USA30020 (5.1)13 (65.0)7 (35.0)
USA4006 (1.5)5 (83.3)1 (16.7)
USA5004 (1.0)3 (75.0)1 (25.0)
USA60039 (10.0)38 (97.4)1 (2.6)
USA70013 (3.3)7 (53.8)6 (46.1)
USA80038 (9.7)21 (55.3)17 (44.7)
USA90028 (7.2)28 (100)0
USA100010 (2.6)7 (70.0)3 (30.0)
USA12006 (1.5)6 (100)0
Group A18 (4.6)18 (100)0
Group B10 (2.6)10 (100)0
Group C6 (1.5)6 (100)0
Group D11 (2.8)11 (100)0
Group E4 (1.0)4 (100)0
Iberian1 (0.3)01 (100)
Unique42 (11.0)40 (93.0)2 (4.7)
Total391 (100)307 (78.3)84 (21.4)