Fig. 6From: Helicobacter pylori infection is correlated with the incidence of erosive oral lichen planus and the alteration of the oral microbiome compositionCorrelation of cytokine production with the relative abundance of salivary key bacteria at the genus level. a NC (n = 21) and OLP (n = 30) groups; b OLP− (n = 9) and OLP+ (n = 21) groups. The color of cells represents the correlation coefficient (R) values. Cells marked with an asterisk show significance after multiple comparisons of Spearman’s correlation, *p < 0.05; **p < 0.01; ***p < 0.001Back to article page