From:  Effect of nonsurgical periodontal therapy on salivary visfatin and serum lipid levels in obese patients with chronic periodontitis

Comparison of mean LDL, VLDL, TC, TG, and HDL levels between baseline and 6 weeks in the obese group

ParameterGroupNMeanSDSEMt-valuep-value
LDLBaseline20114.058.361.875.06< 0.05*
6 weeks2097.0512.502.80
VLDLBaseline2039.504.380.985.63< 0.05*
6 weeks2033.402.060.46
TCBaseline20182.459.772.184.45< 0.05*
6 weeks20168.659.842.20
TGBaseline20198.5521.654.845.53< 0.05*
6 weeks20168.6010.902.43
HDLBaseline2040.151.070.234.45< 0.05*
6 weeks2041.651.130.25

Paired t-test; p < 0.05 considered statistically significant; *: denotes significance