Correlation of survival and EGFR mutation with predominant histologic subtype according to the new lung adenocarcinoma classification in stage IB patients

Table 3 Multivariate survival analysis for disease-free survival and overall survival

		DFS		OS
	HR	95% CI	P	HR	95% CI	P
Lepidic predominant (yes/no)	0.756	0.723-1.012	0.101	0.876	0.597-1.986	0.742
Micropapillary predominant (yes/no)	1.473	1.041-1.786	0.048	1.342	0.764-1.987	0.214
Solid predominant (yes/no)	1.210	0.987-1.978	0.076	1.229	0.746-2.158	0.435
lymphatic and/or vessel invasion (yes/no)	1.153	0.979-2.143	0.079	1.075	0.774-3.547	0.843

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