Table 2 Independent predictors of survival in patients with thymic carcinomas and thymic neuroendocrine tumors adjusted for multivariable Cox proportional hazard analysis

VATS (ref = open)

0.46

0.19, 1.11

0.084

Age (per year)

1.03

1.00, 1.06

0.041

Male (ref = female)

1.08

0.57, 2.04

0.819

ECOG (ref = 0)

 1

1.04

0.53, 2.06

0.905

 2

2.18

0.92, 5.17

0.076

Tumor size (per cm)

0.97

0.85, 1.11

0.696

Masaoka-Koga stage (ref = stage I–IIA)

 IIB

1.41

0.26, 7.51

0.689

 III

4.72

1.08, 20.64

0.039

 IV

9.57

2.06, 44.42

0.004

TNET (ref = TC)

0.92

0.38, 2.23

0.857

Length of stay(day), Median (IQR)

1.00

0.96, 1.03

0.870

level I care(day), Median (IQR)

1.02

0.93, 1.12

0.708

Intraoperative bleeding(ml), Median (IQR)

1.00

1.00, 1.00

0.325