Table 1 Haemolytic and non-haemolytic E. coli-like colonies on blood agar before and after neomycin treatment
Before treatment | After treatment | |||||
|---|---|---|---|---|---|---|
Control (n = 471) | Single high-dose (n = 301) | P value | Control (n = 471) | Single high-dose (n = 301) | P value | |
Mean (sd) percentage of haemolytic E. coli-like colonies | 61% (41) | 60% (39) | 0.766 | 12% (26) | 26% (37) | < 0.001 |
Mean (sd) percentage of non-haemolytic E. coli-like colonies | 32% (37) | 35% (37) | 0.247 | 54% (35) | 52% (35) | 0.340 |