Management of Food-Related Diarrhea Outbreak in the Emergency Department: Lessons Learned from the German STEC O104:H4 Epidemic

Table 2

Multivariate logistic regression analysis for STEC-positive versus STEC-negative ED contacts. Odds ratio indicates the respective risk of being STEC-infected.

	Odds Ratio	95% Confidence interval	value
Start of symptoms (May versus June/July)	40.885	(7.870–212.393)	<0.001
Defecation rate (>10 versus <10/24 h)	1,993	(0.545–7.279)	0.297
Bloody diarrhea	15.056	(2.014–112.558)	0.008
Anamnestic lower abdominal pain	2.969	(0.824–10.673)	0.096
Lower abdominal tenderness	4.637	(1.186–18.124)	0.027
Elevated C-reactive protein	0.592	(0.137–2.562)	0.483
LDH (U/L)	1.011	(0.999–1.024)	0.082
Bilirubin (µmol/L)	1.064	(0.981–1.155)	0.133
Creatinine (µmol/L)	1.033	(1.001–1.065)	0.044
Elevated leukocyte count	16.617	(2.316–119.243)	0.005