Table 3 Surgical and postoperative short-term outcomes in the LG and OG groups after PSM

Length of incision (cm)

6.4 ± 3.2

19.1 ± 4.5

< 0.001

Operative time (min)

282.0 ± 64.5

254.6 ± 74.2

0.041

Estimated blood loss (ml)

121.7 ± 71.5

180.0 ± 89.4

0.002

Margin of resection

1.000

 R0

50

50

 R1

5

5

Number of lymph node dissection

22.5 ± 6.0

24.5 ± 9.2

0.180

Time to first flatus (day)

3.4 ± 1.2

4.5 ± 1.8

< 0.001

Time to first liquid diet (day)

4.3 ± 1.8

5.4 ± 2.0

0.004

Postoperative hospital stay^a (day)

10.0 (9.0, 12.0)

11.0 (9.0, 12.0)

0.291