Table 3. Correlation of EGFR mRNA expression and TNM stage.

Cancer type	GEO accession	Jetset probe	T (p value)		N (p value)		M (p value)
			Median	Mean	Median	Mean	Median	Mean
Bladder	GSE13507	ILMN_1696521	0.56	0.47	0.08	0.31	0.66	0.53
Breast	GSE22226	A_23_P215790	0.29	0.26
	GSE20685	211607_x_at	0.92	0.98	0.59	0.60	0.48	0.14
Colorectal	GSE5206	211607_x_at	0.63	0.78	0.68	0.59	0.73	0.62
Gastric	GSE15081	AGhsA201212			0.02*	0.10
		AGhsB031519			0.35	0.97
Head-Neck	GSE2379	1537_at	0.25	0.24	0.55	0.48
	GSE65858	ILMN_1696521	0.26	0.11	0.13	0.09	0.25	0.09
Liver	GSE364	NM_005228					0.46	0.73
Lung	GSE5123	X00588			0.63	0.65	0.23	0.12
	GSE4573	211607_x_at	0.56	0.45	0.60	0.38
Melanoma	GSE8401	211607_x_at	0.32	0.25	0.38	0.73	0.12	0.08
Pancreas	GSE17891	211607_x_at	0.97	0.46	0.87	0.42
Prostate	GSE6919	1537_at	0.32	0.32	0.61	0.61
	GSE10645	GI_29725608-S	0.34	0.28	0.84	0.51

P value < 0.05 was labeled with asterisk mark. T, N and M represented T stage, N stage and M stage, respectively. Median, group EGFR mRNA expression as “high” and “low” by median. Mean, group EGFR mRNA expression as “high” and “low” by mean.