Table 4.

Univariate survival analysis of RASGRF1 expression in subgroups with different clinical parameters.

			PFS		OS
			Hazard Ratio		Hazard Ratio
Clinical parameters		n	(95%CI)	P Value	(95%CI)	P Value
Age(years)
	<65	152	2.233(1.426∼3.497)	0.0022**	1.801(1.031∼3.144)	0.0654
	≥65	64	3.646(1.908∼6.965)	0.0015**	3.255(1.535∼6.905)	0.0064**
Gender
	Males	118	2.118(1.322∼3.396)	0.0038**	1.761(1.019∼3.044)	0.0576
	Females	98	5.242(2.884∼9.530)	0.0003***	6.066(2.803∼13.13)	0.0032**
Type
	LUAD	177	3.971(2.589∼6.091)	<0.0001***	4.317(2.477∼7.524)	0.0006***
	LUSC	39	1.758(0.695∼4.448)	0.1813	1.764(0.693∼4.492)	0.1859
Clinical stage
	I+II	147	3.246(1.957∼5.383)	0.0002***	2.832(1.466∼5.471)	0.0081**
	III	69	1.461(0.821∼2.598)	0.2313	1.086(0.549∼2.149)	0.8144
T classification
	T1	97	3.452(1.866∼6.387)	0.0013**	2.641(1.212∼5.757)	0.0407*
	T2+T3+T4	119	2.153(1.355∼3.422)	0.0043**	1.781(1.022∼3.104)	0.0632
N classification
	N0	136	3.338(1.963∼5.674)	0.0002***	2.899(1.441∼5.831)	0.0128**
	N1+N2+N3	80	1.539(0.893∼2.653)	0.1549	1.288(0.690∼2.405)	0.4303
Smoke
	No smoking	112	5.202(3.042∼8.897)	<0.0001***	6.987(3.423∼14.26)	0.0012**
	Smoking	104	1.949(1.164∼3.265)	0.0152*	1.602(0.899∼2.855)	0.1255

Note. Bold font indicates P < 0.05.