Mortality and health-related quality of life in prevalent dialysis patients: Comparison between 12-items and 36-items sh
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RESEARCH
Open Access
Mortality and health-related quality of life in prevalent dialysis patients: Comparison between 12-items and 36-items short-form health survey Tone Brit Hortemo sthus1,2*, Valjbona Tiric Preljevic2,3, Leiv Sandvik2,4, Torbjørn Leivestad5, Inger Hilde Nordhus6,7, Toril Dammen2,3 and Ingrid Os1,2
Abstract Background: To assess health- related quality of life (HRQOL) with SF-12 and SF-36 and compare their abilities to predict mortality in chronic dialysis patients, after adjusting for traditional risk factors. Methods: The Short-Form Health Survey (SF-36) with the embedded SF-12 was applied in 301 dialysis patients cross-sectionally. Physical and mental component summary (PCS-36, MCS-36, PCS-12, and MCS-12) scores were calculated. Clinical and demographic data were collected. Mortality (followed for up to 4.5 years) was analyzed with Kaplan Meier plots and Cox proportional hazards, after censoring for renal transplantation. Exclusion factors were observation time
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