Fig. 3From: Disease severity, debridement approach and timing of drug modify outcomes of adjunctive azithromycin in non-surgical management of chronic periodontitis: a multivariate meta-analysisWithin-study correlation of primary outcomes (Spearman’s r-value; PPD and CAL, y-axis) plotted against study-level Baseline Mean Values (blue: CAL, red: PPD, x-axis). The size of the circle corresponds to the number of subjects in the studyBack to article page