Effect of Subantimicrobial Dose Doxycycline Treatment on Gingival Crevicular Fluid Levels of MMP-9 and MMP-13 in Periodontitis Stage 2, Grade B in Subjects with Type 2 Diabetes Mellitus

Table 3

The change in mean MMP-13 conc. at different intervals.

	MMP-13			Test value^a	value	Sig.
	Baseline	1 month	3 months
	Group I							10.619	≤0.001	HS
Group II				20.205	≤0.001	HS
Test value^b	-1.750	-1.988	-5.165
value	0.085	0.052	≤0.001

value > 0.05: nonsignificant; value < 0.05: significant; value < 0.01: highly significant. ^aRepeated measure ANOVA test; ^bindependent -test.