Table I.

TNF-α levels in the cell supernatant.

Group (n=3)	TNF-α (pg/ml)
HP	167.3±10.27a
P	68.7±5.9b
Normal control	20.4±3.1c

^aP>0.05, as compared with the P mice group

^bP>0.05, as compared with the normal control group

^cP>0.05, as compared with the HP mice group. HP, hyperglycemia plus Porphyromonas gingivalis infection group; P, Porphyromonas gingivalis periodontal infection group. TNF-α, tumor necrosis factor-α.