Table 2.

Studies documenting health-related quality of life information in Japanese patients with chronic kidney disease

HRQoL instrument	Description of instrument	Results cited
Kidney Disease Quality of Life Short Form56	80 items, kidney disease-specific (SF-36 is the generic core) 19 scales	DOPPS study51 Higher Japanese burden of kidney disease than in US or Europe51 Better physical functioning among Japanese hemodialysis patients compared with those from other continents
Short Form-3657	36 items, generic, 8 health concepts	Fukuhara et al58 Greater one-year declines among CKD patients compared to the general population in all domains except role-emotional Anemia associated with decrease in vitality scale Increased serum creatinine associated with decreases in physical function, role-physical, and mental health scales Fukuhara et al52 Treatment of anemia in CKD patients increased scores in all 8 scales Hemoglobin concentration was associated with vitality scale score
EuroQoL 5D (EQ-5D)59	5 items + 1 visual scale generic	Tajima et al54 Scores associated with each CKD stage 1 through 5 decreased

Abbreviations: DOPPS, Dialysis Outcomes and Practice Patterns Study; HRQoL, health-related quality of life; CKD, chronic kidney disease.