Variable

TLTGS (D2) n = 10

TLTG (D1) n = 76

P value

Gender (male/female)

6/4

53/23

0.718

Age (years)

64 (40 - 74)^a

66 (43.4 - 82.4)^a

0.548

BMI (kg/m²)

21.0 (16.0 - 34.2)^a

23.0 (16.2 - 32.7)^a

0.233

ASA classification (1/2/3)

0.809

1

3

34

2

6

37

3

1

5

Location

0.720

Upper

9

61

Middle

1

14

Lower

0

1

No. of dissected lymph node

53 (23 - 97)^a

29 (10 - 70.5)^a

0.019

Lymph node metastasis

0.011

Absent

4

61

Present

6

15

Histological type

0.105

Well differentiated

0

23

Moderately differentiated

3

16

Poorly differentiated

5

16

Signet ring cell

2

20

Mucinous

0

1

Pathological stage

<0.001

IA

1

47

IB

0

12

IIA

4

5

IIB

1

5

IIIA

1

3

IIIB

2

3

IIIC

1

1