Table 8.
Antimicrobial resistance pattern of Gram-positive isolates among two-year study period.
| Antimicrobial agents | Streptococcus spp. (n = 23) | Coagulase-negative Staphylococcus CoNS (n = 246) | Staphylococcus aureus (n = 62) | Enterococcus spp. (n = 7) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Resistance (%) | p value | Resistance (%) | p value | Resistance (%) | p value | Resistance (%) | p value | |||||
| 2016 (n = 14) | 2017 (n = 9) | 2016 (n = 128) | 2017 (n = 118) | 2016 (n = 38) | 2017 (n = 24) | 2016 (n = 3) | 2017 (n = 4) | |||||
| Ampicillin | 0 (0) | 0 (0) | — | 93 (73) | 85 (73) | 0.999 | 32 (86) | 19 (83) | 0.038 | 0 (0) | 0 (0) | — |
| Piperacillin/tazobactam | 0 (0) | 0 (0) | — | 1 (5) | 0 (0) | 0.826 | 0 (0) | — | — | 0 (0) | 0 (0) | — |
| Cloxacillin | 0 (0) | 0 (0) | — | 14 (16) | 4 (10) | 0.695 | 0 (0) | 0 (0) | — | — | — | — |
| Cephalexin | 1 (8) | 1 (11) | 0.675 | 39 (32) | 36 (34) | 0.788 | 13 (38) | 8 (38) | 0.162 | 2 (67) | 2 (67) | 1.000 |
| Cefuroxime | 0 (0) | — | — | 1 (33) | 0 (0) | 0.667 | — | 1(50) | — | — | — | — |
| Cefotaxime | 0 (0) | 0 (0) | — | 34 (33) | 32 (30) | 0.628 | 10 (30) | 5 (25) | 0.495 | 1(50) | — | — |
| Ceftazidime | — | — | — | — | 2(100) | — | — | — | — | — | — | — |
| Ceftriaxone | 0 (0) | 0 (0) | — | 4 (44) | 1 (50) | 0.050 | 1 (100) | 1 (100) | — | 0(0) | — | — |
| Cefepime | — | — | — | — | — | — | — | — | — | — | — | — |
| Vancomycin | — | — | — | 0 (0) | 0 (0) | — | 0 (0) | 0 (0) | — | — | — | — |
| Gentamicin | 7 (64) | 1 (33) | 0.376 | 32 (30) | 20 (28) | 0.835 | 4 (13) | 1 (8) | 0.664 | 2 (67) | 2 (67) | 1.000 |
| Tobramycin | — | — | — | — | — | — | — | — | — | — | — | — |
| Amikacin | 1(100) | — | — | 0 (0) | 0(0) | — | 0 (0) | 0 (0) | — | — | 1 (100) | — |
| Netilmicin | — | — | — | 0 (0) | — | — | — | — | — | — | — | — |
| Ciprofloxacin | 1 (10) | 3 (33) | 0.216 | 34 (32) | 27 (26) | 0.377 | 11 (37) | 6 (29) | 0.538 | 2 (67) | 2 (67) | 1.000 |
| Cotrimoxazole | 5 (45) | 4 (67) | 0.078 | 32 (27) | 16 (16) | 0.063 | 3 (9) | 1(5) | 0.957 | 2 (67) | 1 (100) | 0.071 |
n = bacterial isolates among patients tested. Note: p values in bold indicate significant effects.