Table 1. Correlation analysis between pro-inflammatory cytokines relative mRNA expression and virulent Dichelobacter nodosus load.

	IL1β vs. D. nodosus		CXCL8 vs. D. nodosus		IL6 vs. D. nodosus		IL17 vs. D. nodosus
	r	P value	r	P value	r	P value	r	P value
Healthy	0.029	0.839	0.096	0.492	−0.042	0.764	0.202	0.152
Footrot	0.229	0.040	0.221	0.046	−0.082	0.558	0.025	0.858

Bold values: statistically significant P value (<0.05). r: Pearson’s correlation coefficient.