Table 2.

Comparison of short-term surgical outcomes between LTG and OTG in unmatched patients and propensity-matched patients

	Unmatched patients				P-value	Propensity score-matched patients				P-value
	LTG n=122		OTG n=96			LTG n=65		OTG n=65
	All*	Grade IIIa or more	All*	Grade IIIa or more		All*	Grade IIIa or more	All*	Grade IIIa or more
Early complications
anastomotic leakage	0 (0%)	0 (0%)	5 (5.2%)	5 (5.2%)	0.036	0 (0%)	0 (0%)	4 (6.1%)	4 (6.1%)	0.127
anastmotic bleeding	1 (0.8%)	0 (0%)	0 (0%)	0 (0%)	0.904	1 (1.5%)	0 (0%)	0 (0%)	0 (0%)	1.000
pancreatic fistula	3 (2.5%)	0 (0%)	2 (2.1%)	0 (0%)	0.336	1 (1.5%)	0 (0%)	1 (1.5%)	0 (0%)	0.476
intrabdominal abscess	3 (2.5%)	0 (0%)	3 (3.1%)	0 (0%)	0.905	2 (3.0%)	0 (0%)	3 (4.6%)	0 (0%)	1.000
acute cholecystitis	1 (0.8%)	0 (0%)	1 (1.0%)	0 (0%)	0.585	1 (1.5%)	0 (0%)	0 (0%)	0 (0%)	1.000
blind loop syndrome	1 (0.8%)	1 (0.8%)	0 (0%)	0 (0%)	0.904	1 (1.5%)	1 (1.5%)	0 (0%)	0 (0%)	1.000
pneumonia	1 (0.8%)	0 (0%)	2 (2.1%)	0 (0%)	0.834	1 (1.5%)	0 (0%)	1 (1.5%)	0 (0%)	0.476
Late complications
anastomotic stenosis	4 (3.3%)	4 (3.3%)	1 (1.0%)	1 (1.0%)	0.522	1 (1.5%)	1 (1.5%)	1 (1.5%)	1 (1.5%)	0.476
internal hernia	2 (1.6%)	2 (1.6%)	0 (0%)	0 (0%)	0.585	1 (1.5%)	1 (1.5%)	0 (0%)	0 (0%)	1.000
ileus	2 (1.6%)	0 (0%)	1 (1.0%)	0 (0%)	0.834	1 (1.5%)	0 (0%)	1 (1.5%)	0 (0%)	0.476
Morbidity	18 (14.8%)	7 (5.7%)	15 (15.6%)	6 (6.3%)	0.858	10 (15.4%)	3 (4.6%)	11 (16.9%)	5 (7.7%)	1.000
Mortality	0 (0%)		0 (0%)		1.000	0 (0%)		0 (0%)		1.000

^*Clavien-Dindo classification Grade II complications or greater.