Table 4.
In vitro susceptibility of 308 bacterial isolates to systemically distributed antibiotics.
| Antibiotic | Corynebacterium sp. | Escherichia coli | Othera | Pasteurella sp. | Pseudomonas sp. | Staphylococcus sp. | Streptococcus sp. | Total |
|---|---|---|---|---|---|---|---|---|
| Amikacin | 100% (28/28) | 100% (10/10) | 78% (40/51) | 100% (18/18) | 100% (34/34) | 99% (108/109) | 16% (9/58) | 80% (247/308) |
| Amoxicillin/Clavulanic acid | 82% (23/28) | 60% (6/10) | 94% (48/51) | 100% (18/18) | 18% (6/34) | 73% (80/109) | 100% (58/58) | 78% (239/308) |
| Ampicillin | 32% (9/28) | 50% (5/10) | 57% (29/51) | 83% (15/18) | 0% (0/34) | 54% (59/109) | 83% (48/58) | 54% (165/308) |
| Cefazolin | 71% (20/28) | 70% (7/10) | 61% (31/51) | 67% (12/18) | 9% (3/34) | 73% (80/109) | 93% (54/58) | 67% (207/308) |
| Cefovecin | 46% (13/28) | 60% (6/10) | 43% (22/51) | 28% (5/18) | 0% (0/34) | 38% (41/109) | 60% (35/58) | 40% (122/308) |
| Cefoxitin | 23% (3/13) | 100% (5/5) | 78% (14/18) | 43% (3/7) | 0% (0/12) | 77% (41/53) | 39% (9/23) | 57% (75/131) |
| Cefpodoxime | 39% (11/28) | 100% (10/10) | 45% (23/51) | 28% (5/18) | 0% (0/34) | 42% (46/109) | 84% (49/58) | 47% (144/308) |
| Ceftazidime | 100% (5/5) | 72% (13/18) | 18% (2/11) | 100% (22/22) | 75% (42/56) | |||
| Ceftiofur | 62% (8/13) | 100% (5/5) | 89% (16/18) | 100% (7/7) | 25% (3/12) | 77% (41/53) | 96% (22/23) | 78% (102/131) |
| Cephalothin | 86% (24/28) | 64% (14/22) | 74% (80/108) | 92% (48/52) | 79% (166/210) | |||
| Cephalexin | 100% (5/5) | 33% (6/18) | 18% (2/11) | 0% (0/22) | 23% (13/56) | |||
| Chloramphenicol | 89% (25/28) | 100% (10/10) | 84% (43/51) | 94% (17/18) | 18% (6/34) | 82% (89/109) | 38% (22/58) | 69% (212/308) |
| Clindamycin | 68% (19/28) | 0% (0/5) | 42% (14/33) | 14% (1/7) | 8% (1/12) | 64% (70/109) | 84% (49/58) | 61% (154/252) |
| Doxycycline | 89% (25/28) | 90% (9/10) | 61% (31/51) | 67% (12/18) | 38% (13/34) | 56% (61/109) | 38% (22/58) | 56% (173/308) |
| Enrofloxacin | 57% (16/28) | 100% (10/10) | 63% (32/51) | 94% (17/18) | 59% (20/34) | 76% (83/109) | 31% (18/58) | 64% (196/308) |
| Erythromycin | 71% (20/28) | 0% (0/5) | 27% (9/33) | 29% (2/7) | 0% (0/12) | 61% (66/109) | 48% (28/58) | 50% (125/252) |
| Gentamicin | 89% (25/28) | 100% (10/10) | 78% (40/51) | 100% (18/18) | 100% (34/34) | 68% (74/109) | 43% (25/58) | 73% (226/308) |
| Imipenem | 82% (23/28) | 100% (10/10) | 94% (48/51) | 94% (17/18) | 85% (29/34) | 74% (81/109) | 98% (57/58) | 86% (265/308) |
| Marbofloxacin | 64% (18/28) | 100% (10/10) | 69% (35/51) | 94% (17/18) | 94% (32/34) | 82% (89/109) | 52% (30/58) | 75% (231/308) |
| Minocycline | 53% (8/15) | 60% (9/15) | 57% (32/56) | 49% (17/35) | 55% (66/121) | |||
| Nitrofurantoin | 0% (0/15) | 33% (5/15) | 96% (54/56) | 71% (25/35) | 69% (84/121) | |||
| Orbifloxacin | 100% (5/5) | 39% (7/18) | 18% (2/11) | 14% (3/22) | 30% (17/56) | |||
| Oxacillin | 21% (6/28) | 0% (0/5) | 30% (10/33) | 29% (2/7) | 0% (0/12) | 72% (79/109) | 57% (33/58) | 52% (130/252) |
| Penicillin | 14% (4/28) | 0% (0/5) | 33% (11/33) | 29% (2/7) | 0% (0/12) | 28% (31/109) | 71% (41/58) | 35% (89/252) |
| Piperacillin | 100% (5/5) | 72% (13/18) | 18% (2/11) | 100% (22/22) | 75% (42/56) | |||
| Pradofloxacin | 0% (0/15) | 0% (0/5) | 0% (0/33) | 0% (0/11) | 0% (0/22) | 0% (0/56) | 0% (0/35) | 0% (0/177) |
| Rifampin | 71% (20/28) | 0% (0/5) | 12% (4/33) | 0% (0/7) | 0% (0/12) | 72% (79/109) | 0% (0/58) | 41% (103/252) |
| Tetracycline | 73% (11/15) | 80% (4/5) | 27% (9/33) | 0% (0/11) | 0% (0/22) | 46% (26/56) | 14% (5/35) | 31% (55/177) |
| Ticarcillin | 31% (4/13) | 80% (4/5) | 67% (12/18) | 43% (3/7) | 67% (8/12) | 42% (22/53) | 43% (10/23) | 48% (63/131) |
| Ticarcillin/Clavulanic acid | 31% (4/13) | 80% (4/5) | 78% (14/18) | 43% (3/7) | 75% (9/12) | 42% (22/53) | 43% (10/23) | 50% (66/131) |
| Trimethoprim-Sulfamethoxazole | 82% (23/28) | 100% (10/10) | 45% (23/51) | 83% (15/18) | 15% (5/34) | 71% (77/109) | 16% (9/58) | 53% (162/308) |
| Vancomycin | 100% (15/15) | 27% (4/15) | 98% (55/56) | 100% (35/35) | 90% (109/121) |
a
Other organisms include Actinomyces sp. (7), Enterococcus sp. (7), Acinetobacter sp. (5), Enterobacter sp. (4), gram(-) organism (non-specified) (4), Moraxella sp. (4), Neisseria sp. (3), Proteus mirabilis (3), Cutibacterium acnes (2), gram(+) organism (non-specified) (2), Micrococcus sp. (2), Serratia marcescens (2), Achromobacter xylosoxidans (1), Bacillus sp. (1), Capnocytophaga sp. (1), Cardiobacterium sp. (1), Raoultella sp. (1), Rothia sp. (1).