Laparoscopic vs open total gastrectomy for advanced gastric cancer following neoadjuvant therapy: A propensity score matching analysis

Table 4 Postoperative complications 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)
Complications, n (%)
Overall			0.100			0.236
Yes	15 (19.2)	32 (29.9)		14 (20.3)	20 (29.0)
No	63 (80.8)	75 (70.1)		55 (79.7)	49 (71.0)
Surgical complications
Pancreatic fistula	0 (0)	1 (0.9)	1.000	0 (0)	1 (1.4)	1.000
Abdominal bleeding	1 (1.3)	0 (0)	0.422	1 (1.4)	0 (0)	1.000
Anastomotic leakage	5 (6.4)	6 (5.6)	1.000	4 (5.8)	3 (4.3)	1.000
Wound infection	4 (5.1)	5 (4.7)	1.000	4 (5.8)	4 (5.8)	1.000
Lymphorrhagia	1 (1.3)	0 (0)	0.422	1 (1.4)	0 (0)	1.000
Intestinal obstruction	0 (0)	2 (1.9)	0.510	0 (0)	1 (1.4)	1.000
Abdominal infection	5 (6.4)	9 (8.4)	0.611	5 (7.2)	2 (2.9)	0.441
Duodenal fistula	0 (0)	1 (0.9)	1.000	0 (0)	0 (0)	NA
Gastroparesis	0 (0)	3 (2.8)	0.264	0 (0)	3 (4.3)	0.245
Medical complications
Pulmonary infection	0 (0)	6 (5.6%)	0.04	0	5 (7.2)	0.058
Arterial catheter-related infection	0 (0)	1 (0.9)	1.000	0 (0)	1 (1.4)	1.000
Renal failure	0 (0)	1 (0.9)	1.000	0 (0)	1 (1.4)	1.000
Clavien-Dindo classification n (%)			0.331			1.000
Grade I-II	12 (80.0)	20 (64.5)		11 (78.6)	14 (73.7)
Grade III-V	3 (20.0)	11 (35.5)		3 (21.4)	5 (26.3)

LTG: Laparoscopic total gastrectomy; OTG: Open total gastrectomy.