3.

纳入的NSCLC EGFR蛋白表达研究

Eligible studies for EGFR protein expression of NSCLC

EGFR protein expression	Pairs	Primary NSCLC			Metastases			Inconsistency
		n	Percent		n	Percent		n	Percent
Italiano A[23]	30	20	66.67%		16	53.33%		10	33.33%
Badalian G[26]	11	4	36.36%		7	63.64%		6	54.55%
Kalikaki A[19]	19	11	57.89%		11	57.89%		8	42.11%
Gomez-Roca[16]	49	38	77.55%		28	57.14%		16	32.65%
Rao C[27]	47	36	76.60%		37	78.72%		5	10.64%
Watzka SB[28]	39	27	69.23%		21	53.85%		12	30.77%
Sum	195	125	71.02%		109	61.93%		57	29.23%