American journal of kidney diseases : the official journal of the National Kidney Foundation · 2011
The role of functional status in discharge to assisted care facilities and in-hospital death among dialysis patients.
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Sood Manish M, Rigatto Claudio, Bueti Joe, Jassal Vanita, Miller Lisa, Verrelli Mauro, Bohm Clara, Mojica Julie, Roberts Dan, Komenda Paul
Аннотация
BACKGROUND: Functional status is an important component in the assessment of hospitalized patients. We set out to determine the scope, severity, and prognostic significance of impaired functional status in acutely hospitalized dialysis patients.
STUDY DESIGN: Retrospective cohort study.
SETTING & PARTICIPANTS: 1,286 hospitalized dialysis patients admitted and discharged from 1 of 11 area hospitals in Manitoba, Canada, from September 2003 to September 2010 with an activity of daily living (ADL) assessment within 24 hours of admission.
PREDICTOR: The 12-point ADL score assesses 6 domains (bathing, toileting, dressing, incontinence, feeding, and transferring) and scores them as independent or supervision only (score, 0), partial assistance (1), and full assistance (2). Thus, higher score indicates worse functional status. Parametric and nonparametric tests were used as appropriate to determine differences in baseline characteristics.
OUTCOMES: Multivariable logistic regression and Cox proportional hazards assessed the association between functional status, in-hospital death, and discharge to an assisted care facility.
RESULTS: During the study period, 250 (19.4%) and 72 (5.6%) patients experienced the outcomes of in-hospital death or discharge to an assisted care facility. Abnormalities in functional status were present in >70% of the cohort. ADL score within 24 hours of admission combined with age differentiated risks of death and discharge to an assisted care facility home, ranging from 4.8%-46.6% and 0.6%-17.8%, respectively. After adjustment, ORs of death and discharge to an assisted care facility were 1.16 (95% CI, 1.11-1.22; P < 0.001; C statistic = 0.79) and 1.25 (95% CI, 1.14-1.36; P < 0.001; C statistic = 0.91) per 1-point increase in ADL score, respectively. Findings were consistent after accounting for the competing outcomes of in-hospital death or discharge to an assisted care facility versus discharge to home.
LIMITATIONS: A 1-time measurement of ADLs could not differentiate temporary from long-term deterioration in functional status.
CONCLUSIONS: Impaired functional status is common at the time of admission in the dialysis population. A single ADL score measurement at admission combined with age is highly predictive of poor outcomes in the hospitalized dialysis population.
STUDY DESIGN: Retrospective cohort study.
SETTING & PARTICIPANTS: 1,286 hospitalized dialysis patients admitted and discharged from 1 of 11 area hospitals in Manitoba, Canada, from September 2003 to September 2010 with an activity of daily living (ADL) assessment within 24 hours of admission.
PREDICTOR: The 12-point ADL score assesses 6 domains (bathing, toileting, dressing, incontinence, feeding, and transferring) and scores them as independent or supervision only (score, 0), partial assistance (1), and full assistance (2). Thus, higher score indicates worse functional status. Parametric and nonparametric tests were used as appropriate to determine differences in baseline characteristics.
OUTCOMES: Multivariable logistic regression and Cox proportional hazards assessed the association between functional status, in-hospital death, and discharge to an assisted care facility.
RESULTS: During the study period, 250 (19.4%) and 72 (5.6%) patients experienced the outcomes of in-hospital death or discharge to an assisted care facility. Abnormalities in functional status were present in >70% of the cohort. ADL score within 24 hours of admission combined with age differentiated risks of death and discharge to an assisted care facility home, ranging from 4.8%-46.6% and 0.6%-17.8%, respectively. After adjustment, ORs of death and discharge to an assisted care facility were 1.16 (95% CI, 1.11-1.22; P < 0.001; C statistic = 0.79) and 1.25 (95% CI, 1.14-1.36; P < 0.001; C statistic = 0.91) per 1-point increase in ADL score, respectively. Findings were consistent after accounting for the competing outcomes of in-hospital death or discharge to an assisted care facility versus discharge to home.
LIMITATIONS: A 1-time measurement of ADLs could not differentiate temporary from long-term deterioration in functional status.
CONCLUSIONS: Impaired functional status is common at the time of admission in the dialysis population. A single ADL score measurement at admission combined with age is highly predictive of poor outcomes in the hospitalized dialysis population.