Table 1. Comparison of antimicrobial resistance profiles of S. flexneri and S. sonnei between 2014 and 2015.
| S. flexneri | |||||||
|---|---|---|---|---|---|---|---|
| Year (n) | Phenotype | AMP | SXT | NAL | NOR | TAX | FIX |
| 2014 (119) | R | 84 | 113 | 111 | 80 | 9 | 12 |
| S | 35 | 6 | 8 | 39 | 110 | 107 | |
| 2015 (92) | R | 63 | 88 | 85 | 20 | 12 | 9 |
| S | 29 | 4 | 7 | 72 | 80 | 83 | |
| p value | 0.741 | 0.810 | 0.802 | <0.005 | 0.187 | 0.942 | |
| Chi (df) | 0.1 (210) = 21 | 0.05 (210) = 10.5 | 0.06 (210) = 12.6 | 43 (210) = 9030 | 1.73 (210) = 363.3 | 0.005 (210) = 1.05 | |
| S. sonnei | |||||||
|---|---|---|---|---|---|---|---|
| Year (n) | Phenotype | AMP | SXT | NAL | NOR | TAX | FIX |
| 2014 (35) | R | 4 | 32 | 35 | 23 | 1 | 3 |
| S | 31 | 3 | 0 | 12 | 34 | 32 | |
| 2015 (55) | R | 13 | 54 | 54 | 10 | 3 | 4 |
| S | 42 | 1 | 1 | 45 | 52 | 51 | |
| p value | 0.149 | 0.128 | 0.423 | <0.005 | 0.561 | 0.825 | |
| Chi (df) | 2.08 (89) = 185.1 | 2.29 (89) = 203.8 | 0.64 (89) = 56.9 | 20.8 (89) = 1851 | 0.33 (89) = 29.3 | 0.05 (89) = 4.45 | |
R – resistant, S – susceptible, AMP – ampicillin, SXT – trimethoprim/sulfamethoxazole, NAL – nalidixic acid, NOR – norfloxacin, TAX – cefotaxime, FIX – cefixime.