Table 1. Mast cell counts and microvessel densities in oral reactive lesions .

Study groups	Number of cases	Mast cell counts		Microvessel densities
		P-value*	P-value*	SD± Mean	SD± Mean
PG	15	<0.001	<0.001	0.37‏ ± 2.90	6.43 ± 2.75
IFH	15			11.19 ± 2.45	9.04 ± 3.38
PGCG	15			7.03 ± 1.45	7.03 ± 3.01
POF	15			6.42 ± 2.00	11.78± 2.66
F	15			9.03 ± 1.77	6.63 ± 2.22
C	15			19.32 ± 3.20	2.51 ±0.70

^*One-way ANOVA

F: fibroma, IFH: inflammatory fibrous hyperplasia, PGCG: peripheral giant cell granuloma, POF: peripheral ossifying fibroma, PG: pyogenic granuloma