Table 3.
Resistance to multiple antibiotic classes of the 240 S. Typhimurium isolates.
| Number of antibiotic classes to be resistanta | Number of isolates from the sources of | Total | |
|---|---|---|---|
| Food (%) | Clinical (%) | ||
| 0 | 0 (0.00) | 5 (2.42) | 5 (2.08) |
| 1 | 4 (12.12) | 11 (5.31) | 15 (6.25) |
| 2 | 7 (21.21) | 22 (10.63) | 29 (12.08) |
| ≥ 3 | 22 (66.67) | 169 (81.64) | 191 (79.58) |
| 3 | 6 (18.18) | 13 (6.28) | 19 (7.92) |
| 4 | 4 (12.12) | 25 (12.08) | 29 (12.08) |
| 5 | 9 (27.27) | 29 (14.01) | 38 (15.83) |
| 6 | 3 (9.09) | 69 (33.33) | 72 (30.00) |
| 7 | 0 (0.00) | 33 (15.94) | 33 (13.75) |
| Total | 33 (100.00) | 207 (100.00) | 240 (100.00) |
a
Eighteen antibiotics were divided into seven classes: penicillins, cephems, aminoglycosides, folate pathway inhibitors, quinolones, tetracyclines, and phenicols.