N0

18

36%

18

(82.6%)

0

(0%)

0.002§

N1

6

12%

2

(8.7%)

4

(13.5%)

N2

16

32%

1

(4.3%)

15

(54.1%)

N3

10

20%

0

(4.3%)

10

(32.4%)

Lymph node

Negative

18

36%

18

(82.6%)

0

(0%)

<0.001‡

Positive

32

64%

2

(17.4%)

30

(83%)

M

M0

40

80%

26

(55.3%)

21

(44.7%)

0.04‡

M1

10

20%

2

(15.4%)

11

(48.6%)

AJCC Stage group

Stage I

8

16%

9

(39.1%)

0

(0%)

<0.001§

Stage II

10

20%

10

(43.5%)

4

(10.8%)

Stage III

22%

44%

4

(17.4%)

17

(45.6%)

Stage IV

10%

20%

0

(0%)

16

(43.2%)

YKL-40

18

(100%)

5

(27%)

Low

23

46%

2

(0%)

25

(73%)

<0.001‡

High

27

54%

9

(39.1%)

0

(0%)