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

BMC Nephrology

Table 4 Simple linear regression analysis of physical component summary scores in patients with moderate to advanced chronic kidney disease n = 202

Variable	Coefficient	Standard error	t	95% CI	P value
Age	−0.02	0.09	−0.25	− 0.21–0.16	0.806
Educational level	1.61	3.04	0.53	−4.38–7.60	0.597
Employment status	−1.23	3.04	−0.40	−7.22–4.77	0.687
Low income	−13.61	3.81	−3.57	−21.13–−6.09	< 0.001
Marital status	3.49	3.24	1.07	−2.91–9.90	0.284
Hypertension	−5.35	3.28	−1.63	−11.81–1.11	0.104
Hemoglobin	2.97	0.57	5.23	1.85–4.09	< 0.001
MCV	0.46	0.19	2.36	0.07–0.85	0.019
MCH	0.67	0.48	1.40	− 0.27–1.61	0.163
Uraemia	−11.87	3.04	−3.89	−17.89–−5.86	< 0.001
CKD stage 5	−12.63	3.25	−3.88	−19.04–−6.22	< 0.001
ESA use	3.03	5.21	0.58	−7.24–13.30	0.561
IV Iron use	6.25	10.91	0.57	−15.27–27.77	0.567

MCV mean corpuscular volume, MCH mean corpuscular haemoglobin, CKD 5 chronic kidney disease with GFR < 15 ml/min/1.73m², ESA erythropoietin stimulating agent, IV intravenous, CI confidence interval, uraemia serum urea > 20 mmol/L

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