Research Article
Prevalence of Multidrug-Resistant Escherichia coli Isolated from Drinking Water Sources
Table 3
Antibiotic resistance patterns of E. coli isolates from the various water sources.
| Antibiotic | Susceptibility | Disc concentration | Resistant number (%) | Intermediate number (%) | Sensitive number (%) |
| Amikacin (AMK) | 30 μg | 7 (7.22) | 1 (1.03) | 89 (91.75) | Ampicillin (AMP) | 10 μg | 11 (11.32) | 41 (42.27) | 45 (46.39) | Cefotaxime (CTX) | 30 μg | 4 (4.12) | 4 (4.12) | 89 (91.75) | Cefuroxime (CXM) | 30 μg | 28 (28.87) | 18 (18.65) | 51 (52.58) | Chloramphenicol (CHL) | 30 μg | 18 (18.56) | 12 (12.37) | 67 (69.07) | Ciprofloxacin (CIP) | 5 μg | 8 (8.25) | 17 (17.53) | 72 (74.22) | Co-trimoxazole (COT) | 25 μg | 10 (10.31) | 6 (6.19) | 81 (83.50) | Erythromycin (ERY) | 15 μg | 23 (23.71) | 24 (24.74) | 50 (51.55) | Gentamicin (GEN) | 10 μg | 5 (5.15) | 4 (4.12) | 88 (90.72) | Nalidixic acid (NAL) | 10 μg | 4 (4.12) | 6 (6.19) | 87 (89.69) | Nitrofurantoin (NIT) | 300 μg | 4 (4.12) | 2 (2.060) | 91 (93.81) | Penicillin (PEN) | 10 units | 32 (32.99) | 51 (52.58) | 14 (14.43) | Pipemidic acid (PA) | 20 μg | 13 (13.40) | 20 (20.62) | 64 (65.98) | Tetracycline (TET) | 30 μg | 21 (21.45) | 47 (48.45) | 29 (29.90) |
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