Table 3.

The comparison of MMP-8 levels in different patients' groups.

	Control	Mild periodontitis	Moderate periodontitis	Severe periodontitis	Implant
	(I)	(II)	(III)	(IV)	(V)
MMP-8 (ng/mL)
Range	0.21–20.70	0.20–31.50	0.34–54.90	0.20–48.51	0.30–347.00
Mean ± SD	5.61 ± 6.55	7.40 ± 9.07	12.43 ± 16.01	13.17 ± 16.43	40.46 ± 80.29
I versus II, P = 0.0020 I versus III, P = 0.0003 I versus IV, P = 0.020 I versus V, P = 0.0099		II versus III, P = 0.0313 II versus IV, P = 0.13 II versus V, P = 0.0321		III versus IV, P = 0.357 III versus V, P = 0.0489 IV versus V, P = 0.0255

SD: standard deviation.