Table 4. Frequency of Escherichia coli pathotypes in study participants with and without gastroenteritis.

E. coli pathotypea	Source
	Symptomatic (n = 696) (%)	Symptom-free (n = 489) (%)	pb
EAEC	45 (6.5)	15 (3.1)	0.02
Typical EPEC	2 (0.3)	1 (0.2)	NS
Atypical EPEC	89 (12.8)	11 (2.3)	< 0.0001
EIEC	0	0	NS
ETEC	2 (0.3)	0	NS
EHEC	4 (0.6)	0	NS
STEC, not EHEC	0	1 (0.2)	NS

^aEAEC, enteroaggregative E. coli; EPEC, enteropathogenic E. coli; EIEC, enteroinvasive E. coli; ETEC, enterotoxigenic E. coli; STEC, Shiga toxin–producing E. coli; EHEC, enterohemorrhagic E. coli; NS, not significant (p > 0.1).
^bFisher exact test, 2-tailed.