Skip to main content
. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: J Clin Periodontol. 2010 Sep 28;37(12):1068–1074. doi: 10.1111/j.1600-051X.2010.01625.x

Figure 1.

Figure 1

Box plots of salivary biomarker levels A) IL-1β, B) TNF-α, C) MMP-8 in the 3 study groups. Horizontal lines represent the 25th, 50th and 75th percentiles, plus sign represents the mean, and asterisks represent outliers. RA denotes rheumatoid arthritis group. Mab_Y denotes RA patients on monoclonal anti-TNF-α antibody therapy. Mab_N denotes RA patients not receiving monoclonal anti-TNF-α antibody therapy. H denotes healthy group. P denotes periodontal disease group.