Table 1 Clinicopathologic characteristics of the two groups

Age, Median(P25,P75) (years)

64(60,68)

60(51,64)

65(63,70)

2.632

0.020*

Male

14

5

9

1.000#

Hypertension

3

0

3

0.509#

Smoking

5

2

3

1.000#

Alcohol consumption

4

1

3

1.000#

Adjuvant Therapy

 None

4

3

1

 Preoperative

2

0

2

1.000#

 Postoperative

10

2

8

1.000#

Location of esophageal-graft anastomosis

0.245#

 Neck

4

4

0

 Chest

12

7

5

Esophageal cancer

Stage

1.000#

 I

5

1

4

 II

0

0

0

 III

9

3

6

 IV

2

1

1

Depth of tumor invasion

1.000#

 pTis

1

0

1

 pT1

4

1

3

 pT2

2

1

1

 pT3

5

2

3

 pT4

4

1

3

Lymph node metastasis

0.308#

 Positive

9

4

5

 Negative

7

1

6

Location

0.673#

 Upper

1

0

1

 Middle

2

0

2

 Lower

13

5

8

Gastric cancer

Stage

0.547#

 I

6

1

5

 II

4

1

3

 III

6

3

3

 IV

0

0

0

Depth of tumor invasion

0.320#

 pTis

4

1

3

 pT1

1

1

0

 pT2

3

0

3

 pT3

5

1

4

 pT4

3

2

1

Lymph node metastasis

0.036#

 Positive

6

4

2

 Negative

10

1

9

Location

0.390#

 Cardia

4

1

3

 Fundus

3

2

1

 Body

9

2

7