Retrospective Cohort Study
Copyright ©The Author(s) 2022.
World J Gastrointest Surg. Aug 27, 2022; 14(8): 754-764
Published online Aug 27, 2022. doi: 10.4240/wjgs.v14.i8.754
Table 2 Intraoperative and postoperative results for patients in two cohorts

OGC (n = 48)
3DLAGC (n = 36)
P value
Abdominal adhesion, n (%)0.098
0 7 (14.6)1 (2.8)
10 (20.8)3 (8.3)
12 (25.0)14 (38.9)
12 (25.0)14 (38.9)
7 (14.6)4 (11.1)
Operation time (min)215.67 (73.80)243.11 (61.97)0.075
Blood Loss (mL)305.83 (303.66)188.33 (191.35)0.045
Incision size (cm)20.06 (5.17)10.86 (3.18)< 0.001
Postoperative VAS
Day 17.17 (0.88)6.03 (0.70)< 0.001
Day 35.52 (0.80)3.86 (0.68)< 0.001
Day 53.73 (1.16)2.06 (0.92)< 0.001
Nasogastric tube removal time (d)3.58 (1.93)1.86 (1.46)< 0.001
Abdominal drainage tube removal time (d)8.21 (3.14)5.83 (2.26)< 0.001
Time to first ambulation (d)2.58 (0.71)1.81 (0.71)< 0.001
Time to first flatus (d)4.00 (1.03)3.08 (0.55)< 0.001
Time to first soft diet (d)5.50 (3.58)3.14 (1.73)< 0.001
ICU, n (%)10 (20.8)3 (8.3)0.207
Postoperative hospital stay (d)11.19 (6.34)7.56 (2.25)0.002
Total hospital stay (d)15.75 (7.37)12.19 (4.02)0.011
Complications (Grade ≥ Ⅲ), n (%)7 (14.5)2 (5.6)0.372
Anastomosis leakage2 (4.2)1 (2.8)
Cardiac failure1 (2.1)0 (0.0)
Anastomosis obstruction2 (4.2)0 (0.0)
Abdominal bleeding2 (4.2)1 (2.8)