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.

Table 2 Test strip results at baseline and three month follow-up

Visit	Group	Site	Test result of site	≤1 mg/L	> 1 mg/L
Baseline	Group 1	50	Positive	1	0
			Negative	49	0
	Group 2	50	Positive	0	4
			Negative	38	8
	Group 3	50	Positive	2	30
			Negative	13	5
3rd mo	Group 1	50	Positive	0	1
			Negative	0	49
	Group 2	50	Positive	0	0
			Negative	0	50
	Group 3	50	Positive	0	13
			Negative	37	0

Table 3 Changes in clinical parameters from baseline to three months following scaling and root planning n (%)

Visit	Bleeding on Probing	Probing pocket depth		Total
		≥5 mm	< 5 mm
Baseline	Negative	8 (30.8)	8 (33.3)	16 (32.0)
	Positive	18 (69.2)	16 (66.7)	34 (68.0)
	Total	26 (100.0)	24 (100.0)	50 (100.0)
3 mo	Negative		43 (86.0)	43 (86.0)
	Positive		7 (14.0)	7 (14.0)
	Total		50 (100.0)	50 (100.0)