IIIa/N−

IIIa/N+

IIIb

IIIc

AD

Un-AD

AD

Un-AD

P

AD

Un-AD

P

AD

Un-AD

P

Number

4

3

72

48

0.0009

38

21

<0.0001

21

18

0.047

PFS (m, mouth)

20

9

15.2

5.75

11.1

1.9

9.32

2.68