Predictive factors for body weight loss and its impact on quality of life following gastrectomy

Table 3 Main outcome measures of postgastrectomy syndrome assessment scale-45 quality of life domain in patients after conventional gastrectomy (n = 1777)

Subdomains	Item in PGSAS-45	Main outcomes measures	Scale	mean ±SD
Dissatisfaction	43	Dissatisfaction with symptoms	Five-point Likert scale	1.87 ± 0.95
	44	Dissatisfaction at the meals		1.13
	45	Dissatisfaction at working		1.79 ± 0.97
	43-45	Dissatisfaction for daily life subscale		0.87
SF-8	1-8	Physical component summary1	Five or six-point Likert scale	50.4 ± 5.6
	1-8	Mental component summary1		49.7 ± 5.8

¹Higher score indicating better condition. Integrated subscales (SS) are underlined in the Table. PGSAS-45: Postgastrectomy syndrome assessment scale-45; SF-8: Short form-8.