Table 2 Comparison of intraoperative and postoperative recovery between the two groups

Operation time (min, \(\overline x\pm s\))

269.8 ± 40.9

272.8 ± 43.5

t = 0.141

0.708

Distance between tumor and proximal margin (cm, \(\overline x\pm s\) )

2.7 ± 0.44

2.2 ± 0.75

t = 3.221

0.002

Distance from jejunal opening to stump (cm, \(\overline x\pm s\))

2.2 ± 0.54

5.7±0.6

t = − 22.081

< 0.001

Disconnect the two vascular arches of jejunum

χ²=1.012

0.506

 Yes

4

7

 No

26

23

Anastomosis time(min, \(\overline x\pm s\))

21.2 ± 4.9

27.9 ± 6.9

t = − 4.349

< 0.001

Number of lymph nodes removed (\(\overline x\pm s\))

30.8 ± 3.6

32.9 ± 4.6

t = − 1.983

0.052

Blood loss (ml, \(\overline x\pm s\))

116.7 ± 68.6

107.7 ± 54.4

t = 0.704

0.405

Liquid diet (days, \(\overline x\pm s\))

1.2 ± 0.4

1.4 ± 0.5

t = − 1.433

0.157

First flatus (days, x±s)

2.4 ± 0.5

2.3 ± 0.5

t = 1.064

0.292

Postoperative hospital stay(days, \(\overline x\pm s\))

6.6 ± 1.5

6.7 ± 2.6

t = 0.785

0.379

Surgery-related costs (CNY, \(\overline x\pm s\))

70608.3 ± 8106.7

76485.6 ± 3149.9

t = − 3.702

0.001