Retrospective Study
Copyright ©The Author(s) 2022.
World J Gastrointest Surg. Feb 27, 2022; 14(2): 161-173
Published online Feb 27, 2022. doi: 10.4240/wjgs.v14.i2.161
Table 3 Description of intraoperative and recovery features before and after propensity score matching
Variable
All patients
P value
Matched patients
P value
LTG (n = 78)
OTG (n = 107)
LTG (n = 69)
OTG (n = 69)
Operation time (min)207.6 ± 49.3205.2 ± 52.10.744204.0 ± 45.8207.1 ± 53.10.713
Blood loss (mL)197.2 ± 162.4228.1 ± 193.40.252200.6 ± 162.0237.1 ± 194.90.116
Combined resection n (%)0.1390.245
Yes0 (0)4 (3.7)0 (0)3 (4.3)
No78 (100)107 (96.3)69 (100)66 (95.7)
Resection n (%)0.6511.000
R075 (96.2)105 (98.1)66 (95.7)67 (97.1)
R1/R23 (3.8)2 (1.9)3 (4.3)2 (2.9)
Blood transfusion n (%)0.6080.507
Yes13 (16.7)21 (80.4)11 (15.9)14 (20.3)
No65 (83.3)86 (19.6)58 (84.1)55 (79.7)
Length of incision (cm)10.29 ± 4.421.6 ± 3.8< 0.00110.4 ± 4.621.9 ± 3.8< 0.001
Postoperative hospital stay (d)11.6 ± 7.015.1 ± 10.90.01511.5 ± 7.116.0 ± 12.80.012
Dissected lymph nodes 37.7 ± 14.537.8 ± 17.60.95037.3 ± 14.235.5 ± 15.90.465
Time to ambulation (d)3.0 ± 1.23.4 ± 2.40.1303.0 ± 1.33.4 ± 2.30.229
Time to first flatus (d)4.8 ± 1.75.2 ± 2.30.2354.9 ± 1.75.1 ± 1.80.381
Time to first liquid intake (d)9.2 ± 5.610.1 ± 7.80.4049.1 ± 5.610.7 ± 8.70.201
Time to removal of gastric tube (d)5.0 ± 2.06.5 ± 5.00.0085.1 ± 2.06.8 ± 5.20.013
Time to removal of all drainage tubes9.7 ± 10.111.1 ± 11.10.3919.7 ± 10.510.9 ± 10.30.488