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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: J Clin Periodontol. 2010 Apr;37(4):313–323. doi: 10.1111/j.1600-051X.2010.01534.x

Fig. 2.

Fig. 2

Grid-plots of the Spearman rank correlation coefficients among the mean proportions of 8 cytokines and the mean proportions of 40 subgingival microbial species for periodontally healthy (left panel) and generalized aggressive periodontitis subjects (right panel). Mean % DNA probe count of each species and the proportion of each cytokine were computed by averaging the data within each subject, and then averaging across subjects in each group separately. The color code indicates the level of the Spearman rank coefficient. Asterisks indicate significance at p < 0.05.