Table 4.

Correlation between CST1 expression in saliva and clinical variables.

Variables	r Value
Age (years)	−0.066
FMPS (%)	−0.657 **
FMBS (%)	−0.628 **
% sites with PPD ≤ 3 mm	0.615 **
% sites with PPD 4–5 mm	−0.596 *
% sites with PPD ≥ 6 mm	−0.811 **
Number of teeth	0.187

FMPS: full-mouth plaque score; FMBS: full-mouth bleeding score; PPD: probing depth; * = p value < 0.01, ** = p-value < 0.001.