A Novel Nomogram including AJCC Stages Could Better Predict Survival for NSCLC Patients Who Underwent Surgery: A Large Population-Based Study

Table 2

Univariate and multivariate analyses of each factor’s ability in predicting OS.

	Univariate analyses				Multivariate analyses
Variable	HR	95% CI		C-index	HR	95% CI
Age				0.563
<60	Reference				Reference
60–69	1.110	1.010–1.220	0.038		1.174	1.065–1.294	0.001
70–79	1.430	1.300–1.570	<0.001		1.604	1.455–1.768	<0.001
>80	2.00	1.780–2.260	<0.001		2.367	2.095–2.674	<0.001
Race				0.516
White	Reference				Reference
Black	0.913	0.813–1.025	0.120		1.022	0.909–1.148	0.717
Others	0.748	0.649–0.863	<0.001		0.777	0.673–0.897	<0.001
Sex				0.562
Male	Reference				Reference
Female	0.649	0.607–0.694	0.030	<0.001	0.714	0.667–0.764	<0.001
Stage				0.615
I	Reference				Reference
II	2.100	1.940–2.270	<0.001		1.832	1.672–2.006	<0.001
III	2.610	2.410–2.830	<0.001		2.287	2.047–2.554	<0.001
Histology				0.566
Adenocarcinoma	Reference				Reference
Squamous	1.570	1.470–1.6770	<0.001		1.325	1.237–1.420	<0.001
Surgery				0.528
Complete resection	Reference				Reference
Partial resection	1.990	1.780–2.230	<0.001		1.297	1.150–1.462	<0.001
Positive nodes			<0.001	0.574
Yes	Reference				Reference
No	2.030	1.900–2.170			1.183	1.077–1.299	<0.001