Quality of life among patients with moderate to advanced chronic kidney disease in Ghana - a single centre study

BMC Nephrology

Table 7 Multiple linear regression analysis of independent variables for physical, mental component summary and overall QOL scores in patients with CKD

Variable	Beta coeff	Standard error	t	95% CI	P value
Physical	component	Summary	score	Adjusted R² =	0.18
Low income	−0.21	3.52	−3.18	−19.69–−4.62	0.002
CKD stage 5	−0.07	3.97	−0.93	−11.53–4.13	0.352
haemoglobin	0.24	0.67	3.13	0.77–3.4	0.002
MCV	0.77	0.20	1.12	−0.17–0.61	0.264
uraemia	−0.13	3.33	−1.73	−12.31–0.81	0.209
Mental	Component	summary	Score	Adjusted R² =	0.15
Low income	−0.20	1.94	−2.91	−9.47–−1.81	0.004
CKD stage 5	−0.04	2.02	−0.41	−4.82–3.14	0.689
haemoglobin	0.18	0.34	2.26	−0.10–1.43	0.025
MCV	0.13	0.10	1.82	−0.02–0.38	0.070
uraemia	−0.09	1.70	−1.13	−5.27–1.44	0.261
IV iron use	0.23	5.13	3.30	6.81–27.04	0.001
Overall	QOL	Score		Adjusted R² =	0.17
Low income	−0.21	2.75	−3.16	−14.11–−3.27	0.002
CKD stage 5	−0.07	2.86	−0.85	−8.05–3.22	0.398
haemoglobin	0.24	0.48	3.02	0.50–2.40	0.003
MCV	0.09	0.14	1.27	−0.10–0.46	0.205
uraemia	−0.11	2.39	−1.49	−8.28–1.16	0.138

MCV mean corpuscular volume, CKD 5 chronic kidney disease with GFR < 15 ml/min/1.73 m2, IV intravenous, SD standard deviation, QOL quality of life, CI confident interval, uraemia serum urea> 20 mmol/L, coeff coefficient

ISSN: 1471-2369