Table 2. Characteristics of STEC and EPEC infections among those who answered the questionnaire study, Finland, August 2016 (n = 64).
| STEC infection (n = 22) | EPEC infection (n = 42) | |||
|---|---|---|---|---|
| n | % | n | % | |
| Female sex | 11 | 50 | 30 | 71 |
| Median age in years (range) | 34 (7–63) | 31 (1–80) | ||
| Frequency of symptoms | ||||
| Asymptomatic | 0 | 0 | 12 | 29 |
| Diarrhoea | 19 | 86 | 21 | 50 |
| Bloody diarrhoeaa | 1 | 11 | 0 | 0 |
| Vomiting | 3 | 14 | 5 | 12 |
| Stomach pain | 18 | 82 | 27 | 64 |
| Fever | 3 | 14 | 10 | 24 |
| Chills | 8 | 36 | 10 | 24 |
| Headache | 7 | 32 | 14 | 33 |
| Visited healthcare facilities | 10 | 45 | 23 | 55 |
| Incubation period in hours (median)b | 20 (13–44) | 23 (13–112) | ||
| Duration of symptoms in hours (median)c | 52 (16–108) | 48 (1–156) | ||
EPEC: Shiga toxin-producing Escherichia coli; STEC: enteropathogenic E. coli.
an = 9 for STEC and n = 27 for EPEC infection.
bn = 21 for STEC and n = 27 for EPEC infection.
cn = 21 for STEC and n = 21 for EPEC infection.