TABLE 2.

Ceftaroline MIC distributions for Gram-negative and Gram-positive anaerobes

Organism group and organism	Total	Cumulative % of isolates with the following ceftaroline MIC (μg/ml):
		≤0.008	0.015	0.03	0.06	0.125	0.25	0.5	1	2	4	8	16	32	64	>64
Gram-negative anaerobes
Bacteroides fragilis	30										7	37	63		73	100
Bacteroides fragilis group, othera	46									4	7	9	20	37	57	100
Prevotella speciesb	98	3.1	4.1	12	18	27	37	43	50	55	63	74	82	91	96	100
Porphyromonas speciesc	31	13	71	81		84		87						90	100
Fusobacterium nucleatum/Fusobacterium necrophorumd	44	25	50	77	89	100
Fusobacterium mortiferum	10								10	20		70	80	90	100
Fusobacterium varium	10		20			30	80	100
Veillonella species	19		5	32		84	89	95	100
Total	288
Gram-positive anaerobes
All Gram-positive coccie	127	10	20	30	47	61	82	92	96	97	98	100
Propionibacterium and Actinomyces speciesf	44	43	57	64	77	82	100
Lactobacillus casei-Lactobacillus rhamnosus groupg	10						20	80	90			100
Eggerthella lenta	17									6	12	88	100
“Eubacterium” group, otherh	25		8	20	28	92	100
Clostridium perfringens	20	15	35			60	90	100
Clostridium ramosum	21								90	100
Clostridium innocuum	21							29	67	95	100
Clostridium clostridioforme groupi	20						15	35	80	100
Clostridium species, otherj	24		4		8	21	46	54	67	75		83	100
Total	329

^aBacteroides thetaiotaomicron (n = 20), B. caccae (n = 6), B. distasonis (n = 3), B. merdae (n = 1), B. ovatus (n = 5), B. uniformis (n = 4), and B. vulgatus (n = 7).

^bPrevotella bivia (n = 20), P. buccae (n = 20), P. melaninogenica (n = 18), P. intermedia (n = 20), P. bergensis (n = 2), P. corporis (n = 1), P. denticola (n = 5), P. disiens (n = 5), P. loescheii (n = 3), P. nanceiensis (n = 2), P. oris (n = 1), and P. tannerae (n = 1).

^cPorphyromonas asaccharolytica (n = 21) and P. somerae (n = 10).

^dFusobacterium nucleatum (n = 22) and F. necrophorum (n = 22).

^eFinegoldia magna (n = 19), Parvimonas micra (n = 22), Peptostreptococcus anaerobius (n = 17), Peptostreptococcus stomatis (n = 6), Anaerococcus prevotii (n = 12), Anaerococcus tetradius (n = 8), Anaerococcus lactolyticus (n = 1), Anaerococcus murdochii (n = 1), Anaerococcus octavius (n = 1), Anaerococcus vaginalis (n = 5), Anaerococcus species, no PCR match (n = 3), Gemella morbillorum (n = 1), Gemella sanguinis (n = 1), Peptoniphilus asaccharolyticus (n = 21), Peptoniphilus harei (n = 7), and Peptoniphilus lacrimalis (n = 2).

^fPropionibacterium acnes (n = 21), Propionibacterium avidum (n = 11), Actinomyces israelii (n = 1), Actinomyces meyeri (n = 2), Actinomyces neuii subsp. anitratus (n = 2), Actinomyces odontolyticus (n = 3), and Actinomyces turicensis (n = 5).

^gLactobacillus casei (n = 3) and L. rhamnosus (n = 7).

^hAtopobium parvulum (n = 1), Collinsella aerofaciens (n = 4), Eubacterium contortum (n = 1), Eubacterium cylindroides (n = 1), Eubacterium limosum (n = 8), Eubacterium saburreum (n = 2), Mogibacterium timidum (n = 3), Slackia exigua (n = 4), and Solobacterium moorei (n = 1).

ⁱClostridium aldenense (n = 4), C. bolteae (n = 5), C. citroniae (n = 3), C. hathewayi (n = 4), and C. clostridioforme (n = 4).

^jClostridium barati (n = 1), C. bifermentans (n = 1), C. butyricum (n = 2), C. cadaveris (n = 2), C. celerecrescens (n = 1), C. difficile (n = 4), C. glycolicum (n = 2), C. hylemonae (n = 2), C. paraputrificum (n = 2), C. sordellii (n = 1), C. sphenoides (n = 1), C. subterminale (n = 1), C. symbiosum (n = 2), and C. tertium (n = 2).