MMP-8 analysis in gingival crevicular fluid using ELISA and novel chair-side test

Table 1 Descriptive data showing comparison of enzyme-linked immunosorbent assay and test stick results

Visit	Group	Test stick results	MMP-8 (mg/L)		Total
			> 1	≤1
Baseline	Group 1	Positive		1	1
		Negative		49	49
		Total		50	50
	Group 2	Positive	4	0	4
		Negative	8	38	46
		Total	12	38	50
	Group 3	Positive	30	2	32
		Negative	5	13	18
		Total	35	15	50
3 mo	Group 1	Positive		1	1
		Negative		49	49
		Total		50	50
	Group 2	Negative		50	50
		Total		50	50
	Group 3	Positive	13	0	13
		Negative	0	37	37
		Total	13	37	50

MMP: Matrix metalloproteinase.