Research Article
Antibiotic-Resistant Bacteria Are Major Threats of Otitis Media in Wollo Area, Northeastern Ethiopia: A Ten-Year Retrospective Analysis
Table 3
Overall antibiotic susceptibility profiles of isolated bacteria from ear discharge.
| | Type of antibiotics used | Frequency of each antibiotic tested | Susceptibility patterns | | Resistant | Sensitive | | Number (%) | Number (%) |
| | Amoxicillin | 491 | 402 (81.9) | 89 (18.1) | | Tetracycline | 860 | 641 (74.5) | 219 (25.5) | | TMP-SMX | 684 | 367 (53.6) | 317 (46.4) | | Cephalothin | 213 | 96 (45.1) | 117 (54.9) | | Ampicillin | 106 | 94 (88.5) | 12 (11.5) | | Chloramphenicol | 698 | 353 (50.6) | 345 (49.4) | | Ceftriaxone | 1319 | 1115 (84.5) | 204 (15.5) | | Ciprofloxacin | 501 | 30 (6) | 471 (94) | | Doxycycline | 206 | 147 (71.4) | 59 (28.6) | | Erythromycin | 634 | 438 (69.1) | 196 (30.9) | | Gentamicin | 984 | 169 (17.2) | 815 (82.8) | | Cefotaxime | 396 | 245 (61.9) | 151 (38.1) | | Kanamycin | 129 | 50 (38.7) | 79 (61.3) | | Nitrofurantoin | 107 | 23 (21.5) | 84 (78.5) | | Vancomycin | 120 | 72 (60) | 48 (40) | | Carbenicillin | 49 | 22 (44.8) | 27 (55.2) | | Clindamycin | 124 | 36 (29) | 88 (71) |
| | Total | 7621 | 4299 (56.4) | 3322 (43.5) |
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