Isolates were considered to be resistant if the minimum inhibitory concentration MIC was found in levels at or above 8 µg/ml for metronidazole, 0.5 µg/ml for clarithromycin, and 1µg/ml for amoxicillin 23.
Los aislamientos fueron considerados resistentes si la concentración mínima inhibitoria CMI se encontraba en niveles iguales o superiores a 8 µg/ml para metronidazol; 0,5 µg/ml para claritromicina y 1 µg/ml para amoxicilina 23.