Health related quality of life in chronic kidney disease; a descriptive study in a rural Sri Lankan community affected by chronic kidney disease

Table 3 Correlation between QOL domain scores and some selected factors

Domain	Mean (SD)	Median	IQR	Age^b	Education level^b	Income^b	CKD stage^b	Symptom burden^b
Kidney Disease Summary Component	58.7 (7.7)	58.4	54.2–63.4	−0.066^a	0.086^a	0.180^a	−0.122^a	0.066^a
Physical Component Summary Score	35.5 (15.0)	35.0	26.2–41.9	− 0.082^a	0.052	0.152^a	− 0.327^a	0.101^a
Mental Component Summary Score	39.6 (12.3)	39.0	34.6–42.8	− 0.047	0.077^a	0.155^a	− 0.346^a	0.038

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