Table 2.

Resistance to one or more antimicrobials among 38,835E. coli urinary tract isolates tested against all five antimicrobials as reported to TSN 1 January to 30 September 2000

No. of agents to which isolates were resistantTotal % of isolates (no.)% Isolates (no.) resistant to:
AmpicillinCephalothinNitrofurantoinSXTCiprofloxacin
055.9 (21,701)
120.0 (7,778)77.4 (6,022)8.4 (652)1.0 (79)11.4 (884)1.8 (141)
217.0 (6,593)96.2 (6,340)40.8 (2,691)0.8 (52)58.8 (3,877)3.4 (225)
3a 5.5 (2,146)97.4 (2,090)83.5 (1,792)3.8 (82)92.7 (1,990)22.6 (484)
4a 1.4 (555)98.9 (549)97.1 (539)12.3 (68)97.1 (539)94.6 (525)
5a 0.2 (62)100 (62)100 (62)100 (62)100 (62)100 (62)
  • a 7.1% (2,763 of 38,835) of isolates were resistant to three or more antimicrobials and defined as MDR.