BMC Genomic Data

Table 2 Relationship between EGFR genetic mutation and clinicopathological features in patients of Han ethnic group

From: Epidermal growth factor receptor gene mutations in patients with lung adenocarcinoma differ by frequency and type between Uighur and Han ethnic groups in Xinjiang Autonomous Region

Characteristics		EGFR
Characteristics		Mutations	Wild	χ ²	P
Sex	Male	19	37	5.696	0.017
	Female	28	21	5.696	0.017
Age	≤65	24	47	0.282	0.595
	>65	18	16	0.282	0.595
Smoking	Yes	18	34	4.289	0.034
	No*	29	24	4.289	0.034
pTNM stage	≤IIIa	12	13	0.354	0.552
	>IIIa	33	47	0.354	0.552
Tumor differentiation	Well-differentiated	41	35	5.861	0.015
	Poorly differentiated	8	21	5.861	0.015

*No smoking is defined as: previous total amount of smoking fewer than 100 cigarettes.

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