Fig. 1From: S100A8 and S100A9 in saliva, blood and gingival crevicular fluid for screening established periodontitis: a cross-sectional studyDistribution of S100A8 (pg/ml) and S100A9 (pg/ml) according to periodontitis status (0[n = 50]: no or stage I; 1[n = 99]: stage II–IV) (n = 149). A S100A8 in saliva (p < 0.001), blood (p = 0.621) and gingival crevicular fluid (GCF) (p < 0.001). B S100A9 in saliva (p = 0.976), blood (p = 0.989) and GCF (p = 0.013)Back to article page