Fig. 3.

Plots of the relationship between survival and KDQoL-36 scores in the study sample. The relationship between survival and KDQoL-36 scores was estimated through Cox regression analysis. Dashed lines outline 95% confidence interval of the estimated values. (a) BKD, burden of kidney disease; (b) EKD, effects of kidney disease; (c) SKD, symptoms of kidney disease; (d) PCS, physical composite score; (e) MCS, mental composite score; (f) KSS, Kidney Disease Scale, a summary score derived from the 24 disease specific items of the KDQoL-36