Table 2.
Number of respective antibiotic classes used in the 12 months prior to baseline by source country.
| Antibiotic class | Total rounds (n = 455) N (% of total) | Sourced from Mexico (n = 275) N (% of class) | Sourced from the U.S. (n = 180) N (% of class) |
|---|---|---|---|
| Penicillin | 236 (51.87) | 187 (79.24) | 49 (20.76) |
| Cephalosporin | 40 (8.79) | 13 (32.50) | 27 (67.50) |
| Quinolone | 35 (7.69) | 12 (34.29) | 23 (65.71) |
| Macrolide | 30 (6.59) | 8 (26.67) | 22 (73.33) |
| Folate synthesis inhibitor | 13 (2.86) | 7 (53.85) | 6 (46.15) |
| Nitrofuran | 6 (1.32) | 3 (50.00) | 3 (50.00) |
| Tetracycline | 5 (1.10) | 1 (20.00) | 4 (80.00) |
| Nitroimidazole | 3 (0.66) | 0 (0.00) | 3 (100.00) |
| Ophthalmic ointment | 1 (0.22) | 1 (100.00) | 0 (0.00) |
| Unknown | 86 (18.90) | 43 (50.00) | 43 (50.00) |