Table 1.

Baseline characteristics of all patients (N = 58)

Characteristics	Patient (n = 29)	Control (n = 29)	P
Age, years (median)	62	62	1.00a
Sex
Male	20	20	1.00a
Female	9	9
Initial staging			0.05
I	0	1
II	1	4
III	5	11
IV	23	13
ECOG performance status			<0.001
0	11	24
1	18	5
Surgery history			0.08
Yes	13	19
No	16	9

^aAge and sex-matched by propensity score matching

Significant P-values in bold letters