TABLE 5.

Comparative analysis of mean salivary MMP‐8 levels in periodontitis patients (n = 20) at baseline and 6 months after periodontal treatment (n = 20)

Assay method	Mean MMP‐8 levels		Mean difference	p‐value
	Baseline (t0)	6 months (t6)
Biosensor (Δφ)	2.80 ± 0.99	2.29 ± 0.92	0.52 ± 0.87	.030*
aMMP‐8 IFMA (ng/ml)	569.54 ± 95.41	445.92 ± 165.07	123.62 ± 151.94	.002*
ELISA (ng/ml)	496.91 ± 347.78	418.45 ± 422.63	78.46 ± 277.52	.232

^*Significant by Wilcoxon signed‐rank test.