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Measuring disease severity in patients with end-stage renal disease: validity of the Craven et al. ESRD Severity Index

Published online by Cambridge University Press:  09 July 2009

K. W. Griffin*
Affiliation:
Departments of Psychology and Medicine, State University of New York at Stony Brook, New York, USA
R. Friend*
Affiliation:
Departments of Psychology and Medicine, State University of New York at Stony Brook, New York, USA
N. K. Wadhwa
Affiliation:
Departments of Psychology and Medicine, State University of New York at Stony Brook, New York, USA
*
1Address for correspondence: Drs Kenneth W. Griffin and Ronald Friend, Department of Psychology, State University of New York at Stony Brook, Stony Brook, NY 11794–2500, USA.
1Address for correspondence: Drs Kenneth W. Griffin and Ronald Friend, Department of Psychology, State University of New York at Stony Brook, Stony Brook, NY 11794–2500, USA.

Synopsis

The validity of a recently developed measure of disease severity, the End-stage Renal Disease Severity Index (Craven et al. 1991) was examined in haemodialysis (HD) and continuous ambulatory peritoneal dialysis (CAPD) patients (total N = 82). Scores on the ESRD Severity Index were compared with three commonly identified components of disease severity: physiological indices of severity, functional status, and psychological burden of illness. For the entire group of subjects, scores on the ESRD Severity Index were negatively associated with functional ability and positively related to physiological severity. ESRD Severity Index scores showed a weaker relationship with psychological burden of illness which depended in part on treatment mode. Disease severity scores were positively related to depression in CAPD patients but not in HD patients. These findings suggest that the ESRD Severity Index is a valuable research tool with construct validity.

Type
Brief Report
Copyright
Copyright © Cambridge University Press 1995

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