Research Article

The Antimicrobial Peptide LL-37 as a Predictor Biomarker for Periodontitis with the Presence and Absence of Smoking: A Case-Control Study

Figure 2

Pearson correlation between the salivary level of LL-37 and the clinical periodontal parameters. PPD: probing pocket depth; CAL: clinical attachment level; BOP%: percentage of bleeding on probing; LL-37: cathelicidin concentration in ng/ml.