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. Author manuscript; available in PMC: 2013 Mar 26.

Published in final edited form as: Med Oncol. 2009 Feb 24;27(1):91–97. doi: 10.1007/s12032-009-9178-z

Table 3.

Association between expressions of EGFR, p-EGFR, COX-2, Ki-67, and MVD

Variables	p-EGFR expression			EGFR overexpression			COX-2 overexpression

	Negative	Positive	P value^a	Negative	Positive	P value^a	Negative	Positive	P value^a
EGFR overexpression
Negative	31	9	0.087
Positive	21	16
COX-2 overexpression
Negative	26	6	0.047	19	13	0.356
Positive	26	19		21	24
Ki-67
< median value	22	17	0.497	30	9	0.092	22	17	0.011
≥ median value	18	20		22	16		10	28
Microvessel density
< median value	20	17	0.821	24	13	0.808	13	24	0.356
≥ median value	20	20		28	12		19	21