Table 3.
Susceptibility patterns of ceftriaxone-susceptible Streptococcus pneumoniae (n = 33) and ceftriaxone-non-susceptible S. pneumoniae (n = 56).
| Antibiotics | Ceftriaxone-susceptible S. pneumoniae (n = 33) | Ceftriaxone-non-susceptible S. pneumoniae (n = 56) | p-value | ||||
|---|---|---|---|---|---|---|---|
| S n (%) | I n (%) | R n (%) | S n (%) | I n (%) | R n (%) | ||
| Trimethoprim/ sulfamethoxazole | 4 (12.1) | 1 (3.0) | 28 (84.9) | 3 (5.4) | 1 (1.8) | 52 (92.8) | 0.473 |
| Clindamycin | 2 (6.1) | 0 | 31 (93.9) | 8 (14.3) | 0 | 48 (85.7) | 0.235 |
| Erythromycin | 0 | 0 | 33 (100) | 1 (1.8) | 2 (3.6) | 53 (94.6) | 0.401 |
| Clarithromycin | 0 | 1 (3.0) | 32 (97.0) | 5 (8.9) | 4 (7.2) | 47 (83.9) | 0.137 |
| Chloramphenicol | 31 (93.9) | 0 | 2 (6.1) | 53 (94.6) | 0 | 3 (5.4) | 0.889 |
| Ciprofloxacin | 25 (75.8) | 1 (3.0) | 7 (21.2) | 28 (50.0) | 5 (8.9) | 23 (41.1) | 0.048 |
| Levofloxacin | 26 (78.8) | 2 (6.1) | 5 (15.1) | 46 (82.1) | 2 (3.6) | 8 (14.3) | 0.850 |
| Vancomycin | 41 (100) | 0 | 0 | 48 (100) | 0 | 0 | NA |
| Linezolid | 41 (100) | 0 | 0 | 48 (100) | 0 | 0 | NA |
S, susceptible; I, intermediate; R, resistant; NA, not applicable. The bold values mean statistically significant difference (with p < 0.05).