Prevalences and excretion levels of Lawsonia intracellularis, Brachyspira pilosicoli and Escherichia coli F4 and F18 in fecal sock samples from Danish weaner and finisher pig batches and the association with diarrhea

Table 3 Associations between prevalence of bacteria in weaner and finisher herd sock samples and diarrhea

	Weaner herd				Finisher herd
	Diarrhea, n (%)	No diarrhea, n (%)	OR^a	P value^a	Diarrhea, n (%)	No diarrhea, n (%)	OR^a	P value^a
Total number of herds and samples	21	26			26	33
Lawsonia intracellularis	17 (81.0%)	22 (84.6%)	OR = 0.78	p = 1 (CI = 0.12–4.83)	23 (88.5%)	27 (81.8%)	OR = 1.69	p = 0.72(CI = 0.32–11.61)
Brachyspira pilosicoli	9 (42.9%)	9 (34.6%)	OR = 1.41	p = 0.76 (CI = 0.34–4.62)	11 (42.3%)	19 (57.6%)	OR = 0.54	p = 0.30 (CI = 0.19–1.53)
Escherichia coli F4	2 (9.5%)	1 (3.8%)			2 (7.7%)	0 (0.0%)
Escherichia coli F18	8 (38.1%)	5 (19.2%)	OR = 2.58	p = 0.20 (CI = 0.08–9.67)	6 (23.1%)	3 (9.1%)	OR = 3.00	p = 0.16 (CI = 0.67–13.4)

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