TABLE 2.

Correlation of salivary aMMP‐8 IFMA (ng/ml) with MMP‐8 ELISA

aMMP‐8 IFMA vs.	MMP‐8 ELISA (ng/ml)
Periodontal status	Spearman's rho	p‐value
Healthy (n = 59)	0.700	<.001*
Gingivitis (n = 63)	0.482	<.001*
Periodontitis (n = 67)	0.177	.158
Total (n = 189)	0.608	<.001*

^*Significant; Spearman's rho (rank correlation test).