Volume 8, Number 8—August 2002
Dispatch
Hep-2–Adherent Escherichia coli Strains Associated with Acute Infantile Diarrhea, São Paulo, Brazil
Table 2
HEp-2 adherence of Escherichia coli strains isolated from infants with and without diarrhea
| Adherence pattern, DNA probea | No. of infected children | p value | |
|---|---|---|---|
| Patientsb | Controlsb | ||
| Aggregative adherence (AA) | 20 | 3 | <0.001 |
| AA+ | 17 | 2 | <0.001 |
| Localized adherence (LA) | 17 | 0 | <0.001 |
| eae+, EAF+ | 17 | 0 | <0.001 |
| Localized adherence-like pattern (LAL) | 6 | 2 | 0.279 |
| eae+ | 6 | 2 | 0.279 |
| Diffuse adherence (DA) | 18 | 12 | 0.322 |
| daaC+ | 12 | 8 | 0.480 |
aeae, gene encoding intimin, an outer membrane protein involved in the attaching of effacing lesions promoted by enteropathogenic E. coli; EAF, enteropathogenic E. coli adherence factor; daaC, gene associated with the biogenesis of F1845, a fimbrial adhesin involved in DA; +, positive.
b n=100.


