Background factors influencing postgastrectomy syndromes after various types of gastrectomy

Table 9 Summary of the effects of the background factors for the main outcome measures of Postgastrectomy Syndrome Assessment Scale-45 according to the type of surgery

Method	Domain	Postop period	Age	Sex (female)	Approach (laparo)	Celiac branch (saved)
TGRY	Symptoms		+1
	Living status or QoL		-4	-1		-2
DGBI	Symptoms		+2	-4		+2
	Living status or QoL	+1	-1	-4	+2
DGRY	Symptoms	+1		-4
	Living status or QoL	+6	-3	-4	+1
PG	Symptoms
	Living status or QoL		-1			+1
PPG	Symptoms			-1
	Living status or QoL	+1	-2	-2	+1	+1
LR	Symptoms		+1			-
	Living status or QoL	+2	-1			-

Numbers in each column are the aggregate number of main outcome measures of Postgastrectomy Syndrome Assessment Scale. The main outcome measures having positive effects independently by each background factor were counted as + 1, and the main outcome measures having negative effects independently by each background factor were counted as - 1. TGRY: Total gastrectomy with Roux-en-Y reconstruction; DGBI: Distal gastrectomy with Billroth I reconstruction; DGRY: Distal gastrectomy with Roux-en-Y reconstruction; PG: Proximal gastrectomy; PPG: Pylorus preserving gastrectomy; LR: Local resection of the stomach; Postop: Postoperative; laparo: Laparoscopic; QoL: Quality of life.