Table 1.

Summary of Basic Clinical Features

Covariates	Group	Patient number (%)	p-value1	p-value2
Age	≤65	216 (48.8%)	0.654	0.326
	˃65	227 (51.2%)
Sex	Male	200 (45.1%)	0.845	0.769
	Female	243 (54.9%)
Chemotherapy	Yes	181 (40.9%)	0.045	0.714
	No	262 (59.1%)
Radiation	Yes	105 (23.7%)	1.76E-05	0.009
	No	338 (76.3%)
Stage	Stage I-II	3539 (79.7%)	2.14E-07	1.01E-05
	Stage III-IV	90 (20.3%)

¹ p-value of univariate Cox regression; ² p-value of multivariate Cox regression