Table 3

Diarrhoegenic E. coli identified in stool samples.

Virulence genes amplified
Patient group (%) n = 300
Control group (%) n = 80

ETEC


     estA
10 (3.3)
1 (1.2)
     eltB
20 (6.6)
1 (1.2)
     estA + eltB
10 (3.3)
0

EPEC


     eaeA
23 (7.6)
1 (1.2)
     eaeA + bfpA
5 (1.7)
0

VTEC


     vt1 + vt2 + eaeA
17 (5.6)
1 (1.2)
     vt2 + eaeA
5 (1.6)
0
     vt1 + eaeA
4 (1.3)
0

EIEC


     ial
3 (1.0)
0

Total
97 (32)
4(5)

χ2 represents statistical difference between both groups studied (P < 0.001). Abbreviations are the same as indicated in Table 1.

Paniagua et al. Annals of Clinical Microbiology and Antimicrobials 2007 6:17   doi:10.1186/1476-0711-6-17