DUSOIDuke Severity of Illness Checklist
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Use the 3 demographic variables plus the selected pathophysiologic variables as the control variables in all subsequent analyses, to which each of the following 55 survey variables were added one at a time in separate analyses: physician survey variables: Karnofsky Index (1 score), and DUSOI (3 scores), and patient survey variables: KDQOL (21 scores), DUKE (11 scores), SF-12 (2 scores), DUSOCS (6 scores), DUREL (5 scores), and the 6 variables: married versus not, living with own family versus not, living alone versus not, number of people in household, high school graduate versus not, and Green socioeconomic score.
The clinical severity of each diagnosis was determined by the nephrologist, using the DUSOI scoring system [scale = 0 - 100, from lowest to highest severity].
Severity ratings using the DUSOI showed wide ranges of severity for ESRD and each of the comorbid illnesses among different patients, confirming that diagnostic labeling in itself is not adequate for indicating severity.
We also found that the attending nephrologist, with minimum training in the DUSOI methodology, could assess the severity of each diagnosis for each patient with relative ease.