TABLE 3.

Genotypes of ST5-MRSA and ST764-MRSA isolates

Characteristica	Total (n = 90)	ST5b (n = 44)	ST764 (n = 46)	P valuec
Molecular typing
SCCmecII	90 (100%)	44 (100%)	46 (100%)	NA
agrII	90 (100%)	44 (100%)	46 (100%)	NA
spa-t311	14 (15.6%)	14 (31.8%)	0 (0%)	<0.001
spa-t002	56 (62.2%)	13 (29.5%)	43 (93.5%)	<0.001
Adhesion and toxins
clfA	74 (82.2%)	34 (77.3%)	40 (87.0%)	0.277
clfB	75 (83.3%)	35 (79.5%)	40 (87.0%)	0.405
fnbA	83 (92.2%)	38 (86.4%)	45 (97.8%)	0.056
fnbB	53 (58.9%)	24 (54.5%)	29 (63.0%)	0.521
sdrC	79 (87.8%)	38 (86.4%)	41 (89.1%)	0.755
sdrD	88 (97.8%)	42 (95.5%)	46 (100%)	0.236
sdrE	81 (90.0%)	36 (81.8%)	45 (97.8%)	0.014
cna	0 (0%)	0 (0%)	0 (0%)	NA
ebpS	90 (100%)	44 (100%)	46 (100%)	NA
lukS-PV	0 (0%)	0 (0%)	0 (0%)	NA
lukF-PV	90 (100%)	44 (100%)	46 (100%)	NA
hla	90 (100%)	44 (100%)	46 (100%)	NA
hlb	90 (100%)	44 (100%)	46 (100%)	NA
hld	90 (100%)	44 (100%)	46 (100%)	NA
tst	39 (43.3%)	39 (88.6%)	0 (0%)	<0.001
sea	11 (12.2%)	11 (25.0%)	0 (0%)	<0.001
seb	43 (47.8%)	0 (0%)	43 (93.5%)	<0.001
sec	39 (43.3%)	39 (88.6%)	0 (0%)	<0.001
seh	0 (0%)	0 (0%)	0 (0%)	NA
sek	90 (100%)	44 (100%)	46 (100%)	NA
sel	39 (43.3%)	39 (88.6%)	0 (0%)	<0.001
eta	0 (0%)	0 (0%)	0 (0%)	NA
etb	0 (0%)	0 (0%)	0 (0%)	NA
icaA	88 (97.8%)	42 (95.5%)	46 (100%)	0.236
v8	90 (100%)	44 (100%)	46 (100%)	NA
ACME
arcA	90 (100%)	44 (100%)	46 (100%)	NA
opp-3c	0 (0%)	0 (0%)	0 (0%)	NA

^a ST, sequence type; SCCmec, staphylococcal cassette chromosome mec; agr, accessory gene regulator; spa, staphylococcal protein A; ACME, arginine catabolic mobile element; NA, not applicable.

^b All variables were summarized as the number of cases (%) in the table.

^c P values< 0.05 are shown in bold.