Variable

HR

95% CI

p

Lower

Upper

VEGF-A and Ki-67

0.013

Both high

4.97

1.669

14.804

0.004

Either high

1.659

0.651

4.41

0.28

Neither high

1

?

?

?

Neck management

0.069

END + Adj Tx

6.043

0.717

50.911

0.098

ENI

8.737

1.152

66.263

0.036

END

2.621

0.269

25.504

0.407

Observation

1

?

?

?