Specimen and infecting strain | Median CFU/g or CFU/ml^{a} | No. of samples (%) for which concn of strain exceeded that of the other: | ||
---|---|---|---|---|

>1-fold | >3-fold | ≥10-fold | ||

Bladder (n = 48) | ||||

CP9 | 1.3 × 10^{4} | 41 (85) | 22 (46) | 6 (13) |

CP82 | 4.0 × 10^{3}^{b} | 7 (15)^{f} | 3 (6)^{f} | 1 (2)^{h} |

Urine (n = 44)^{c} | ||||

CP9 | 2.0 × 10^{4} | 32 (73) | 23 (52) | 17 (39) |

CP82 | 6.1 × 10^{3} | 11 (25)^{f} | 6 (14)^{f} | 4 (9)^{f} |

Kidney (n = 48) | ||||

CP9 | 5.3 × 10^{1} | 25 (52) | 20 (42) | 17 (35) |

CP82 | 2.8 × 10^{1}^{e} | 10 (21)^{g} | 7 (15)^{g} | 6 (13)^{i} |

↵

*a*Data were corrected for input ratios prior to statistical analysis.↵

*b**P*= 0.0001 (Wilcoxon rank sum test).↵

*c*Urine specimens could not be obtained from four animals.↵legend

^{d}*P*= 0.0004 (Wilcoxon rank sum test).↵

*e**P*= 0.109 (Wilcoxon rank sum test).↵

*f**P*< 0.01 (McNemar's test).↵

*g**P*< 0.02 (McNemar's test).↵

*h*Not significant (McNemar's test).↵

*i**P*< 0.05 (McNemar's test).