Table 1 Baseline characteristics of the patients

Age (years)

59.06 ± 8.06

Sex (Male)

64 (58.2%)

Weight (kg)

60.03 ± 10.60

BMI (kg/m²)

22.18 ± 3.31

T stage

 T0

5 (4.5%)

 T1

19 (17.3%)

 T2

37 (33.6%)

 T3

47 (42.7%)

 T4

2 (1.8%)

N stage

 N0

49 (44.5%)

 N1

32 (29.1%)

 N2

20 (18.2%)

 N3

9 (8.2%)

Clinical stage

 Stage I

20 (18.2%)

 Stage II

37 (33.6%)

 Stage III

42 (38.2%)

 Stage IV

11 (10.0%)

Smoking

23 (20.9%)

Drinking

19 (17.3%)

Hypertension

26 (23.6%)

Diabetes

8 (7.3%)

hyperuricemia

4 (3.6%)

Fatty liver

8 (7.3%)

Type of surgery

 Minimally invasive surgery

101 (91.8%)

 Open surgical

9 (8.2%)

Operation time(min)

195.9 ± 17.6

Blood loss(mL)

189.8 ± 46.7

Resection type

18.7 ± 8.3

 R0

105(95.5%)

 R1

5(4.5%)

 R2

0

Harvested lymph node

14.78 ± 5.12

ICU stay (d)

3.56 ± 1.98

Hospital stay (d)

10.3 ± 5.7

Complication

 Recurrent laryngeal nerve injury

6 (5.5%)

 Anastomotic leakage

2 (1.8%)

 Anastomotic stenosis

4 (3.6%)

 Postoperative hemorrhage

2 (1.8%)

   Chylothorax

1 (0.9%)

   Wound infection

2 (1.8%)

 Respiratory complication

2 (1.8%)

 Cardial complications

1 (0.9%)

 Gastric emptying dysfunction

5 (4.5%)

 Diaphragmatic hernia

3 (2.7%)

Total

28 (25.5%)