TABLE 7.
Bacterium (no. of isolates) | % of strains inhibited by amoxicillin-clavulanate at concn (μg/ml) of:
|
|||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.06 | 0.125 | 0.25 | 0.5 | 1 | 2 | 4 | 8 | 16 | 32 | 64 | >64 | |
Bacteroides fragilis (77) | 13 | 53 | 4 | 2 | 3 | 1 | 1 | |||||
Bacteroides thetaiotaomicron (8) | 2 | 2 | 3 | 1 | ||||||||
Other Bacteroides spp. (35) | 1 | 1 | 14 | 11 | 5 | 2 | 1 | |||||
B. fragilis group (120) | 1 | 16 | 69 | 18 | 7 | 5 | 2 | 2 | ||||
Prevotella spp. (20) | 9 | 2 | 3 | 4 | 2 | |||||||
Fusobacterium spp. (20) | 10 | 2 | 1 | 6 | 1 | |||||||
Porphyromonas spp. (9) | 9 | |||||||||||
Bilophila wadsworthia (19) | 5 | 4 | 3 | 2 | 2 | 2 | 1 | |||||
Veillonella spp. (14) | 3 | 4 | 1 | 3 | 2 | 1 | ||||||
All gram-negative anaerobes (202) | 36 | 13 | 24 | 84 | 25 | 9 | 7 | 2 | 2 | |||
Clostridium spp. (25) | 17 | 3 | 1 | 2 | 1 | 1 | ||||||
Clostridium difficile (41) | 18 | 19 | 4 | |||||||||
Bifidobacterium spp. (5) | 1 | 4 | ||||||||||
Eggerthella lenta (1) | 1 | |||||||||||
Eubacterium aerofaciens (4) | 4 | |||||||||||
Propionibacterium spp. (12) | 1 | 8 | 2 | 1 | ||||||||
Gram-positive cocci (20) | 16 | 3 | 1 | |||||||||
All gram-positive anaerobes (108) | 40 | 18 | 4 | 21 | 20 | 4 | 1 |
A 2:1 ratio of amoxicillin to clavulanate was used.
For details, see the footnotes to Table 1.