Fig. 2From: S100A8 and S100A9 in saliva, blood and gingival crevicular fluid for screening established periodontitis: a cross-sectional studyCorrelation of salivary S100A8 (pg/ml) and S100A9 (pg/ml) with blood and gingival crevicular fluid (GCF) according to periodontitis status (NIPERIO[n = 50]: no or stage I; PERIO[n = 99]: stage II-IV) (n = 149). A Salivary S100A8. B Salivary S100A9. r: correlation coefficientBack to article page