Table 3

Resistance to non-β-lactam antibiotics in relation to the mechanism of resistance to AMC in E. coli

Resistance mechanism or source (n)aNo. of isolates (%) with resistance to:
CiprofloxacinGentamicinTobramycinAmikacinCotrimoxazole
TEM-1 (53)27 (51.8)7 (13.2)10 (20.4)030 (56.6)
IRTs (45)17 (37.8)4 (8.9)4 (8.9)024 (53.3)
OXA-1 (67)57 (85.1)34 (50.7)55 (82.1)12 (17.9)55 (82.1)
AmpC (97)51 (52.6)17 (17.5)23 (23.7)1 (1)44 (45.4)
Total (257)149 (58)61 (23.7)86 (33.5)12 (4.7)149 (58)
  • a n, number of isolates.