Strain | H. ducreyi CFU per lesion biopsy^{a} at day p.i.: | % H. ducreyi-positive biopsies^{b} at day p.i.: | ||
---|---|---|---|---|

2 | 7 | 2 | 7 | |

35000HP | 161.0 (90.5-497.4) | 146.8 (111.2-320.8) | 60.3 (30.9-75.7) | 72.9 (57.5-96.8) |

35000HPncaA | 30.4 (19.5-82.3)^{c} | 6.1 (2.2-28.6)^{c} | 56.4 (31.6-68.7) | 20.0 (17.1-61.7)^{c} |

35000HPncaA merodiploid | 280.9 (181.0-1390.2) | 320.3 (148.3-1080.7) | 70.0 (24.9-85.4) | 75.0 (64.3-95.7) |

↵

*a*Values indicate the observed mean CFU per biopsy, with 95% confidence intervals in parentheses, as modeled by poisson regression and GEE adjustment to account for variability between pigs.↵

*b*Values indicate the observed mean proportion of biopsies harboring viable*H. ducreyi*, with 95% confidence intervals in parentheses, as modeled by logistic regression and GEE adjustment.↵

*c*Significantly different (*P*< 0.0001) from values for wild-type or merodiploid lesions on same day postinoculation.