Table 2.

Relative expression levels of RECK and MMP-2 mRNA in KCOT and AB

	n	RECK/β-acting		MMP-2/β-acting
		mean ± SD	P	mean ± SD	P
KOCT	16	1.361 ± 0.145	0.000	0.099 ± 0.047	0.000
AB	22	0.131 ± 0.023		1.425 ± 0.174
Primary AB	12	0.165 ± 0.033	0.016	1.577 ± 0.249	0.959
Recurrent AB	10	0.091 ± 0.028		1.561 ± 0.208

KCOT; keratocystic odontogenic tumor, AB; ameloblastoma.