Table 2 Intraoperative and postoperative condition [means ± standard deviations, Median (IQR), n (%)]

Operation time (min)

154.51 ± 33.37

Anastomosis time^a (min)

26.88 ± 5.11

Intraoperative bleeding (ml)

66.34 ± 48.81

Maximal tumor diameter (cm)

3.07 ± 1.68

Proximal tumor margin (cm)

5.09 ± 1.47

Distal tumor margin (cm)

3.23 ± 1.28

Dissected lymph node (Median)

31 (17)

Positive lymph node (Median)

0 (3)

First postoperative ambulation (Median)

1 (0)

First postoperative flatus (Median)

3 (2)

First postoperative diet (Median)

3 (1)

Postoperative hospital stay (Median)

7 (2)

Total hospitalization cost (USD)

10,935.00 ± 2205.72

Differentiation degree

 High and high-moderate differentiation

3 (7.32)

 Moderate and poor-moderate differentiation

24 (58.54)

 Poor differentiation

14 (34.15)

Pathological stage

 IA

20 (48.78)

 IB

3 (7.32)

 IIA

4 (9.76)

 IIB

5 (12.20)

 IIIA

1 (2.44)

 IIIB

3 (7.32)

 IIIC

5 (12.20)

 IV

0

Complications

 Lung infection

1 (2.44)

 Anastomotic leakage

1 (2.44)

 Gastroparesis

2 (4.88)