Table 1.
Resistance of isolates to antibiotic classes.
| Isolates | Resistant to 1 Antibiotic Class n (%) |
Resistant to 2 Antibiotic Classes n (%) |
Resistant to 3 Antibiotic Classes n (%) |
Resistant to 4 Antibiotic Classes n (%) |
Resistant to 5 Antibiotic Classes n (%) |
Resistant to 6 Antibiotic Classes n (%) |
Resistant to 7 Antibiotic Classes n (%) |
Total No. of Isolates |
|---|---|---|---|---|---|---|---|---|
| E. coli | 81 (9.95) | 108 (13.26) | 221 (27.14) | 174 (21.37) | 127 (15.60) | 61 (7.49) | 6 (0.73) | 814 |
| P. aeruginosa | 42 (9.25) | 76 (16.74) | 122 (26.87) | 86 (18.94) | 57 (12.55) | 23 (5.06) | 6 (1.32) | 454 |
| K. pneumoniae | 30 (11.15) | 38 (14.12) | 72 (26.76) | 51 (18.95) | 39 (14.49) | 23 (8.55) | 5 (1.85) | 269 |
| Proteus spp. | 6 (8.57) | 5 (7.14) | 21 (30) | 16 (22.85) | 12 (17.14) | 6 (8.57) | 0 (0) | 70 |
| A. baumannii | 3 (6) | 6 (12) | 8 (16) | 9 (18) | 8 (16) | 16 (32) | 0 (0) | 50 |
| S. aureus | 180 (20.78) | 202 (23.32) | 190 (21.93) | 115 (13.27) | 50 (5.77) | 40 (4.61) | 7 (0.80) | 866 |
| Total | 342 | 435 | 634 | 451 | 293 | 169 | 24 | 2523 |
The principal 7 classes of antibiotics were considered for this analysis. These classes included tetracyclines, penicillins, cephalosporins, carbapenems/monobactams, macrolides, aminoglycosides and fluoroquinolones.