[Table/Fig-1]:

GCF VEGF levels (pg/ml) of the three groups

	N	Mean	Std. Deviation	Std. Error	95% confidence interval for mean		Minimum	Maximum
					Lower bound	Upper bound
1	45	31.9144	3.06842	0.45741	30.9926	32.8363	27.15	38.75
2	25	48.7120	3.61021	0.72204	47.2218	50.2022	42.15	55.85
3	25	88.0888	8.04723	1.60945	84.7583	91.4017	76.20	105.35
Total	95	51.1153	23.78442	2.44023	46.2701	55.9604	27.15	105.35