Fig. 6From: MicroRNA‐155 (miR-155) as an accurate biomarker of periodontal status and coronary heart disease severity: a case–control studyLinear regression analysis demonstrating a significant and positive correlation between salivary IL-1β protein levels and the fold changes in miR-155 expression within the AS-C group (r = 0.468, p = 0.028, R2 = 0.219)Back to article page