TABLE 3.

Susceptibility of Bacteroides species to antimicrobial agents

OrganismAntimicrobialMIC (μg/ml)% of isolatesReference
90%Geometric meanBreakpointSusceptibleIntermediateResistant
B. fragilisAmoxicillin + clavulanic acid>64≥16/84.819
Ampicillin-sulbactam161.7256
Cefotetan64≥641919
Cefoxitin32≥643.4255
Cefoxitin325.2256
Ceftriaxone>3225.7154837296
Chloramphenicol81000024
Clinafloxacin2257
Clindamycin>128≥824.9255
Clindamycin25619.3256
Doripenem10.59631296
DX-6190.5275
Ertapenem0.50.310000296
Garenoxacin4≥414.8255
Garenoxacin0.581
Imipenem0.50.210000296
Levofloxacin21.59154296
Linezolid8≥494.3255
Meropenem0.50.29730296
Metronidazole4≥320.519
Metronidazole21000024
Moxifloxacin8≥436.4255
Moxifloxacin827.3256
Moxifloxacin181
Moxifloxacin425
Moxifloxacin8257
NVP-LMB4150.5≥40255
Piperacillin-tazobactam40.4256
Sitafloxacin1257
Ticarcillin>256≥12828.619
Ticarcillin + clavulanic acid4≥128/21.619
Tigecycline8≥414.8255
Tigecycline85.1256
Tigecycline824
B. ovatusCefoxitin32≥646.2255
Ceftriaxone>3225205030296
Chloramphenicol81000024
Clinafloxacin4257
Clindamycin>128≥840.6255
Doripenem10.410000296
DX-6191.125275
Ertapenem10.510000296
Garenoxacin8≥431.3255
Garenoxacin181
Imipenem0.50.210000296
Levofloxacin167.502575296
Linezolid8≥478.1255
Meropenem0.50.210000296
Metronidazole41000024
Moxifloxacin64≥481.3255
Moxifloxacin281
Moxifloxacin32257
Moxifloxacin1625
NVP-LMB4150.25≥40255
Sitafloxacin4257
Tigecycline8≥418.8255
Tigecycline1624
B. thetaiotaomicronCefoxitin64≥6410.5255
Ceftriaxone>3231.125840296
Ceftriaxone>3230.345343296
Chloramphenicol81000024
Clinafloxacin4257
Clindamycin>128≥842.1255
Doripenem20.69802296
Doripenem10.610000296
DX-6190.5275
Ertapenem20.610000296
Ertapenem20.610000296
Garenoxacin4≥418.4255
Garenoxacin281
Imipenem10.410000296
Levofloxacin86.32269296
Levofloxacin163.9521335296
Linezolid8≥493.4255
Meropenem0.50.310000296
Meropenem0.50.310000296
Metronidazole21000024
Moxifloxacin32≥447.4255
Moxifloxacin281
Moxifloxacin825
Moxifloxacin32257
NVP-LMB4150.025≥40255
Sitafloxacin4257
Tigecycline8≥427.6255
Tigecycline824
B. distasonisCefoxitin128≥6439.3255
Clinafloxacin8257
Clindamycin>128≥821.4255
DX-6191275
Ertapenem41.771.5256
Garenoxacin8≥435.7255
Garenoxacin181
Imipenem2≥160255
Imipenem20.950.4256
Linezolid4≥492.9255
Meropenem20.581.1256
Moxifloxacin32≥450.0255
Moxifloxacin281
Moxifloxacin1625
Moxifloxacin32257
NVP-LMB4150.5≥40255
Sitafloxacin4257
Tigecycline8≥439.3255
B. uniformisCefoxitin32≥644.5255
Chloramphenicol81000024
Clinafloxacin4257
Clindamycin>128≥818.2255
Ertapenem20.880.5256
Garenoxacin8≥427.3255
Garenoxacin>8.081
Imipenem0.5≥160255
Imipenem10.430.5256
Linezolid8≥468.2255
Meropenem10.410.5256
Metronidazole41000024
Moxifloxacin64≥459.1255
Moxifloxacin3225
Moxifloxacin>8.081
Moxifloxacin32257
NVP-LMB4150.25≥40255
Sitafloxacin4257
Tigecycline8≥418.2255
Tigecycline824
B. vulgatusCefoxitin32≥644.5255
Chloramphenicol81000024
Clinafloxacin16257
Clindamycin>128≥850.0255
Ertapenem20.820.3256
Garenoxacin16≥450.0255
Garenoxacin181
Imipenem1≥160255
Linezolid4≥468.2255
Meropenem10.470.0256
Metronidazole41000024
Moxifloxacin64≥472.7255
Moxifloxacin481
Moxifloxacin425
Moxifloxacin128257
NVP-LMB4150.5≥40255
Sitafloxacin16257
Tigecycline4≥418.2255
Tigecycline824
B. fragilis groupAmoxicillin + clavulanic acid4≥16/85.619
Cefotetan>128≥644419
Cefoxitin32≥647.4255
Chloramphenicol81000024
Clinafloxacin4257
Clindamycin>128≥830.9255
Ertapenem41.041.0256
Garenoxacin8≥421.2255
Imipenem1≥160.07255
Imipenem10.380.4256
Linezolid8≥490.2255
Meropenem10.420.6256
Metronidazole2≥320.319
Metronidazole21000024
Moxifloxacin32≥448.0255
Moxifloxacin425
Moxifloxacin32257
NVP-LMB4150.5≥40255
Sitafloxacin2257
Ticarcillin>256≥12833.719
Ticarcillin + clavulanic acid16≥128/22.219
Tigecycline2≥420.1255
Tigecycline824
Other Bacteroides spp.Cefoxitin32≥640255
Chloramphenicol81000024
Clinafloxacin4257
Clindamycin>128≥831.3255
Ertapenem41.030.5256
Garenoxacin4≥425.0255
Imipenem0.05≥160255
Linezolid8≥4100255
Meropenem10.40.5256
Metronidazole41000024
Moxifloxacin32≥481.3255
Moxifloxacin16257
NVP-LMB4150.5≥40255
Sitafloxacin2257
Tigecycline8≥425.0255
Tigecycline824