Table 5

Presence of afaC+, lpfA+ E coli in CD, colitis and colon cancer compared with controls (using total number of E coli as the denominator)†

afaC+, lpfA+Total no of E colip Value*
CD30710.0011
CRC511200.0005
UC1551NS
Controls439
  • *p Values obtained using χ2 test (Yates-corrected).

  • †Presence or absence of genes is based on PCR assays.

  • afaC, gene encoding afimbrial adhesin outer membrane usher protein; CD, Crohn's disease; CRC, colorectal cancer; lpfA, gene encoding long polar fimbrial protein; UC, ulcerative colitis.