Table 2: Distribution (number and percentage) of resistant GBS strains during the 4-year study period.

2005200620072008
positive cultures (85)positive cultures (162)positive cultures (280)positive cultures (366)
N ° %N ° %N ° %N ° %

AMC0000
AMP0000
CEC0000
CTX0000
CRO0000
CLI14 16.54829.616257.925669.9
ERY1416.54829.616257.925669.9
PEN0000
TEC0000
TET51609759.919770.427876
SXT0000
VAN0000
LVX0000
AZM1416.54829.616257.925669.9
CLR1416.54829.616257.925669.9
Q-D0000
LZD0000

AMC = amoxicillin-clavulanic acid; AMP = ampicillin; CEC = cefaclor; CTX = cefotaxime; CRO = ceftriaxone; CLI = clindamycin; ERY = erythromycin; PEN = penicillin; TEC = teicoplanin; TET = tetracycline; SXT = trimethoprim-sulfamethoxazole; VAN = vancomycin; LVX = levofloxacin; AZM = azithromycin; CLR = clarithromycin; Q-D = quinupristin-dalfopristin; LZD = linezolid.