IMP3 Immunohistochemical Expression in Inverted Papilloma and Inverted Papilloma-Associated Sinonasal Squamous Cell Carcinoma

Table 2

Comparison between the studied groups with regard to IHC expression of IMP3 and Ki-67 values.

	Group										Sig
	Normal epithelium			Inverted papilloma			SCC
	Mean	±SD	Median (IQR)	Mean	±SD	Median (IQR)	Mean	±SD	Median (IQR)
IMP3	6.86	2.63	6.9 (5.1–8)	6.41	3.1	5.2 (4.6–8)	31.93	22.11	17 (12–48)	0.001	HS^A
Ki-67	21.76	7.86	21 (16.5–28.9)	20.05	6.43	19.9 (18–25.5)	31.43	8.55	26 (25–38)	0.001	HS^B

Kruskal-Wallis test. ^ASCC vs. normal (HS: highly significant), SCC vs. inverted (HS), normal vs. inverted (NS: nonsignificant). ^BSCC vs. normal (HS), SCC vs. inverted (S: significant), normal vs. inverted (NS).