Table 2.

Salivary levels of IL-6, IL-1β, IL-10, and MMP8 in nonperiodontitis and periodontitis patients.

Average concentration of studied cytokines	Nonperiodontitis group N = 10	Periodontitis group N = 30	p
IL-6 (pg/ml)	0.00[0.00–0.00]∗	0.38[0.00–1.00]	0.005
IL-1β (pg/ml)	0.00[0.00–0.00]∗	11.25[8.00–15.00]	<0.001
MMP-8 (pg/ml)	431.50[187.00–1355.00	1150.00 [823.75–1603.75	0.059
IL-10 (pg/ml)	0.00[0.00–0.00]∗	0.00[0.00–2.63]	0.092

Data are presented as median (interquartile range). Independent t-test was conducted to compare the difference of biomarkers levels between two groups. ^∗Levels under the threshold limit.