A combined preoperative red cell distribution width and carcinoembryonic antigen score contribute to prognosis prediction in stage I lung adenocarcinoma

Table 3 Multivariate tests for risk factors for DFS or OS

	DFS			OS
	P	HR	95%CI	P	HR	95%CI
Micropapillary or solid component
Without or unknown	1			1
With	0.047^*	2.69	1.01–7.16	0.035^*	4.74	1.12–20.11
Tobacco use history
Never	1
Current + former	0.003^*	4.44	1.66–11.91
RCS subgroups
1 + 2	1			1
3	< 0.001^*	7.74	2.98–20.08	< 0.001^*	44.69	5.47–365.29

^*With significant statistical difference
DFS Disease-free survival, OS Overall survival, HR Hazard ratio, CI Confidence interval, RCS Red cell distribution width and carcinoembryonic antigen score

ISSN: 1477-7819