Table 1 Baseline characteristics

Gender

0.670

 Male

82

40(71.4%)

42(75.0%)

 Female

30

16(28.6%)

14(25.0%)

Age(years)

112

62.48 ± 10.207

60.77 ± 10.13

0.374

BMI(kg/m²)

112

23.75 ± 2.73

23.48 ± 3.09

0.624

Hypertension

0.801

 No

93

46(82.1%)

47(83.9%)

 Yes

19

10(17.9%)

9(16.1%)

DM

0.376

 No

99

51(88.4%)

48(85.7%)

 Yes

13

5(8.9%)

8(14.3%)

ASA grade

0.917

 1

36

19(33.9%)

17(30.4%)

 2

64

31(55.4%)

33(58.9%)

 3

12

6(10.7%)

6(10.7%)

Smoke

0.570

 No

53

28(50.0%)

25(44.6%)

 Yes

59

28(50.0%)

31(55.4%)

Drink

0.118

 No

70

39(69.6%)

31(55.4%)

 Yes

42

17(30.4%)

25(44.6%)

Tumor size(cm)

4.21 ± 2.319

4.12 ± 2.10

0.830

Differentiation of tumors

0.520

 Low

96

46(82.1%)

50(89.3%)

 Middle

14

9(16.1%)

5(8.9%)

 High

2

1(1.8%)

1(1.8%)

T stage

0.071

 T1

22

12(21.4%)

10(17.9%)

 T2

 T3

15

42

5(8.9%)

17(30.4%)

10(17.9%)

25(44.6%)

 T4

33

22(39.3%)

11(19.6%)

N stage

0.149

 N0

41

23(41.1%)

18(32.1%)

 N1

38

15(26.8%)

23(41.1%)

 N2

19

8(14.3%)

11(19.6%)

 N3

14

10(17.9%)

4(7.1%)

Surgery, n(%)

0.319

 Distal gastrectomy

87

38(67.9%)

45(80.4%)

 Proximal gastrectomy

16

10(17.9%)

6(10.7%)

 Total gastrectomy

13

8(14.3%)

5(8.9%)

Surgical approach n(%)

0.327

 Laparoscopy

71

38(67.9%)

33(58.9%)

 Robot

41

18(32.1%)

23(41.1%)

HIPEC

0.447

 No

62

29(51.8%)

33(58.9%)

 Yes

50

27(48.2%)

23(41.1%)