Table 4.
Antibiotic resistance pattern of the MRSA strains isolated from animal, human and unknown origins
| Origins (N of MRSA strains) | N (%) isolates resistant to each antibiotic | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Penicillins | Cephems | Aminoglycosides | Macrolides | Tetracyclines | Fluoroquinolones | Lincosamides | Folate inhibitors | Phenicols | Ansamycins | |||||||
| P10a | Cft | Gen | Amk | Kan | Azi | Ert | Tet | Dox | Cip | Lev | Clin | Tr-Sul | C30 | Rif | ||
| Animal origins | Meat (5) | 5 (100) | 5 (100) | 5 (100) | 2 (40) | 1 (20) | 1 (20) | 5 (100) | 5 (100) | 4 (80) | 1 (20) | 1 (20) | 1 (20) | 4 (80) | 2 (40) | 1 (20) |
| Chicken (5) | 5 (100) | 5 (100) | 4 (80) | 3 (60) | 2 (40) | 2 (40) | 4 (80) | 5 (100) | 4 (80) | 2 (40) | 2 (40) | 2 (40) | 4 (80) | 2 (40) | 1 (20) | |
| Meat barbecue (3) | 3 (100) | 3 (100) | 2 (66.66) | 2 (66.66) | 1 (33.33) | – | 2 (66.66) | 3 (100) | 2 (66.66) | – | – | 2 (66.66) | 3 (100) | 1 (33.33) | – | |
| Chicken barbecue (5) | 5 (100) | 5 (100) | 4 (80) | 3 (60) | 2 (40) | 3 (60) | 4 (80) | 5 (100) | 4 (80) | 3 (60) | 3 (60) | 3 (60) | 4 (80) | 2 (40) | 1 (20) | |
| Total (18) | 18 (100) | 18 (100) | 15 (83.33) | 10 (55.55) | 6 (33.33) | 6 (33.33) | 15 (83.33) | 18 (100) | 14 (77.77) | 6 (33.33) | 6 (33.33) | 8 (44.44) | 15 (83.33) | 7 (38.88) | 3 (16.66) | |
| Human origins | Meat (1) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | – | 1 (100) |
| Chicken (2) | 2 (100) | 2 (100) | 2 (100) | 2 (100) | 1 (50) | 2 (100) | 2 (100) | 2 (100) | 2 (100) | 1 (50) | 1 (50) | 1 (50) | 1 (50) | 1 (50) | 1 (50) | |
| Meat barbecue (2) | 2 (100) | 2 (100) | 1 (50) | 2 (100) | 1 (50) | 2 (100) | 2 (100) | 2 (100) | 2 (100) | 1 (50) | 1 (50) | 1 (50) | 2 (100) | – | 1 (50) | |
| Chicken barbecue (2) | 2 (100) | 2 (100) | 2 (100) | 2 (100) | 1 (50) | 2 (100) | 2 (100) | 2 (100) | 2 (100) | 1 (50) | 1 (50) | 1 (50) | 2 (100) | 1 (50) | 1 (50) | |
| Soup (6) | 6 (100) | 6 (100) | 5 (83.33) | 4 (66.66) | 3 (50) | 5 (83.33) | 5 (83.33) | 6 (100) | 4 (66.66) | 4 (66.66) | 3 (50) | 3 (50) | 5 (83.33) | 1 (16.66) | 3 (50) | |
| Salad (4) | 4 (100) | 4 (100) | 3 (75) | 3 (75) | 2 (50) | 3 (75) | 3 (75) | 4 (100) | 3 (75) | 3 (75) | 2 (50) | 2 (50) | 3 (75) | 1 (25) | 2 (50) | |
| Rice (1) | 1 (100) | 1 (100) | – | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | – | 1 (100) | |
| Total (19) | 19 (100) | 19 (100) | 15 (78.94) | 16 (84.21) | 10 (52.63) | 16 (84.21) | 17 (89.47) | 19 (100) | 16 (84.21) | 12 (63.15) | 10 (52.63) | 10 (52.63) | 16 (84.21) | 4 (21.05) | 10 (52.63) | |
| Unknown origin | Chicken (3) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | – | – | 1 (100) | 1 (100) | 1 (100) | – | – | – | 1 (100) | – | – |
| Total (37) | 37 (100) | 37 (100) | 30 (81.08) | 26 (70.27) | 16 (43.24) | 22 (59.45) | 32 (86.48) | 37 (100) | 30 (81.08) | 18 (48.64) | 16 (43.24) | 18 (48.64) | 31 (83.78) | 11 (29.72) | 13 (35.13) | |
a P10 penicillin (10 μg/disk), Cft ceftaroline (30 μg/disk), Gen gentamicin (10 μg/disk), Amk amikacin (30 μg/disk), Kan kanamycin (30 μg/disk), Azi azithromycin (15 μg/disk), Ert erythromycin (15 μg/disk), Tet tetracycline (30 μg/disk), Do doxycycline (30 μg/disk), Cip ciprofloxacin (5 μg/disk), Lev levofloxacin (5 μg/disk), Clin clindamycin (2 μg/disk), Tr-Sul trimethoprim-sulfamethoxazole (25 μg/disk), C30 chloramphenicol (30 μg/disk), Rif rifampin (5 μg/disk)