Table 1 Multi-response permutation procedure (MRPP) analysis of wild type (WT) and MMP-9 ^−/− mice in the absence (Sham) and presence of an enteric bacterial pathogen, C. rodentium (CR)

Sham WT vs. Sham MMP-9^−/−

0.00003

0.1739

Sham WT vs. CR WT 10d

0.0039

0.2449

Sham WT vs. CR WT 30d

0.0933

0.0579

CR WT 10d vs. CR WT 30d

0.0643

0.0824

Sham MMP-9^−/− vs. CR MMP-9^−/− 10d

0.1235

0.1020

Sham MMP-9^−/− vs. CR MMP-9^−/− 30d

0.3164

0.0121

CR MMP-9^−/− 10d vs. CR MMP-9^−/− 30d

0.3192

0.0149