Antimicrobial agents Disc content Zone   diameter      R I S AMIKACIN 30 µg ≤14 15-16 ≥17 CEFEPIME 30 µg ≤14 15-17 ≥18 CEFOTAXIME 30 µg ≤14 15-22 ≥23 CEFTAZIDIME 30 µg ≤14 15-17 ≥18 CIPROFLOXACIN 5 µg ≤15 16-20 ≥21 GENTAMICIN 10 µg ≤12 13-14 ≥15 MEROPENEM 10 µg ≤13 14-15 ≥16 NITROFURANTOIN 300 µg ≤14 15-18 ≥19

Table 1: Primers used for detection with their expected fragment sizes1 [5], 2 [10].