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01.12.2012 | Research | Ausgabe 1/2012 Open Access

Health and Quality of Life Outcomes 1/2012

Health-related quality of life in different stages of chronic kidney disease and at initiation of dialysis treatment

Zeitschrift:
Health and Quality of Life Outcomes > Ausgabe 1/2012
Autoren:
Agneta A Pagels, Birgitta Klang Söderkvist, Charlotte Medin, Britta Hylander, Susanne Heiwe
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1477-7525-10-71) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

AP contributed for drafting of study design, data collection, analysis and interpretation of data, drafting of manuscript. BK, co-supervisor, contributed for study design and critical revision of manuscript for important intellectual content. CM contributed for acquisition of data and critical revision of manuscript for important intellectual content. BH, co-supervisor, contributed for study design and critical revision of manuscript for important intellectual content. SH, main supervisor, contributed for conception and study design, analysis and interpretation of data, statistical expertise, drafting and critical revision of manuscript for important intellectual content. All authors have read and approved the final manuscript.

Abstract

Objectives

To evaluate health-related quality of life (HRQoL) in patients in different stages of chronic kidney disease (CKD) up to initiation of dialysis treatment and to explore possible correlating and influencing factors.

Methods

Cross-sectional design with 535 patients in CKD stages 2–5 and 55 controls assessed for HRQoL through SF-36 together with biomarkers.

Results

All HRQoL dimensions deteriorated significantly with CKD stages with the lowest scores in CKD 5. The largest differences between the patient groups were seen in ‘physical functioning’, ‘role physical’, ‘general health’ and in physical summary scores (PCS). The smallest disparities were seen in mental health and pain. Patients in CKD stages 2–3 showed significantly decreased HRQoL compared to matched controls, with differences of large magnitude - effect size (ES) ≥ .80 - in ‘general health’ and PCS. Patients in CDK 4 demonstrated deteriorated scores with a large magnitude in ‘physical function’, ‘general health’ and PCS compared to the patients in CKD 2–3. Patients in CKD 5 demonstrated deteriorated scores with a medium sized magnitude (ES 0.5 – 0.79) in ‘role emotional’ and mental summary scores compared to the patients in CKD 4. Glomerular filtration rate <45 ml/min/1.73 m², age ≥ 61 years, cardiovascular disease (CVD), diabetes, C-reactive protein (CRP) ≥5 mg/L, haemoglobin ≤110 g/L, p-albumin ≤ 35 g/L and overweight were associated with impaired HRQoL. CRP and CVD were the most important predictors of impaired HRQoL, followed by reduced GFR and diabetes.

Conclusions

Having CKD implies impaired HRQoL, also in earlier stages of the disease. At the time for dialysis initiation HRQoL is substantially deteriorated. Co-existing conditions, such as inflammation and cardiovascular disease seem to be powerful predictors of impaired HRQoL in patients with CKD. Within routine renal care, strategies to improve function and well-being considering the management of co-existing conditions like inflammation and CVD need to be developed.
Zusatzmaterial
Additional file 1: Table S1. Participant flow chart. (DOC 62 KB)
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Authors’ original file for figure 1
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Authors’ original file for figure 2
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Authors’ original file for figure 3
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Literatur
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