Assessing optimal Roux-en-Y reconstruction technique after total gastrectomy using the Postgastrectomy Syndrome Assessment Scale-45

Table 1 Structure of postgastrectomy syndrome assessment scale 45 (domains/subdomains/items/subscales)

Domains	Subdomains	Items	Subscales
QOL	SF-8 (QOL)	1 Physical functioning*	Physical component summary* (items 1-8)
		2 Role physical*
		3 Bodily pain*	Mental component summary* (items 1-8)
		4 General health*
		5 Vitality*
		6 Social functioning*
		7 Role emotional*
		8 Mental health*
Symptoms	GSRS (symptoms)	9 Abdominal pains	Esophageal reflux subscale (items 10, 11, 13, 24)
		10 Heartburn
		11 Acid regurgitation
		12 Sucking sensations in the epigastrium	Abdominal pain subscale (items 9, 12, 28)
		13 Nausea and vomiting
		14 Borborygmus	Meal-related distress subscale (items 25-27)
		15 Abdominal distension
		16 Eructation	Indigestion subscale (items 14-17)
		17 Increased flatus	Diarrhea subscale (items 19, 20, 22)
		18 Decreased passage of stool
		19 Increased passage of stool	Constipation subscale (items 18, 21, 23)
		20 Loose stool
		21 Hard stool	Dumping subscale (items 30, 31, 33)
		22 Urgent need for defecation
		23 Feeling of incomplete evacuation	Total symptom score (above seven subscales)
	Symptoms	24 Bile regurgitation
		25 Sense of food sticking
		26 Postprandial fullness
		27 Early satiation
		28 Lower abdominal pain
		29 Number and type of early dumping symptoms
		30 Early dumping general symptoms
		31 Early dumping abdominal symptoms
		32 Number and type of late dumping symptoms
		33 Late dumping symptoms
Living status	Meals (amount) 1	34 Ingested amount of food per meal*	Quality of ingestion subscale* (items 38-40)
		35 Ingested amount of food per day*
		36 Frequency of main meals
		37 Frequency of additional meals
	Meals (quality)	38 Appetite*
		39 Hunger feeling*
		40 Satiety feeling*
	Meals (amount) 2	41 Necessity for additional meals
	Social activity	42 Ability to work
QOL	Dissatisfaction (QOL)	43 Dissatisfaction with symptoms	Dissatisfaction for daily life subscale (items 43-45)
		44 Dissatisfaction at the meals
		45 Dissatisfaction at working

In items or subscales with *; higher score indicating better condition. In items or subscales without *; higher score indicating worse condition. Each subscale is calculated as the mean of composed items or subscales except PCS and MCS of SF-8. Item 29 and 32 don't have score. Then, they were analyzed separately. Citation: Nakada K, Ikeda M, Takahashi M, Kinami S, Yoshida M, Uenosono Y, Kawashima Y, Oshio A, Suzukamo Y, Terashima M, Kodera Y. Characteristics and clinical relevance of postgastrectomy syndrome assessment scale (PGSAS)-45: newly developed integrated questionnaires for assessment of living status and quality of life in postgastrectomy patients. Gastric Cancer 2015; 18: 147-158. QOL: Quality of life.