Association of physical activity with survival among ambulatory patients on dialysis: The comprehensive dialysis study

Kirsten L. Johansen, George Kaysen, Lorien Dalrymple, Barbara A. Grimes, David V. Glidden, Shuchi Anand, Glenn M. Chertow

Research output: Contribution to journalArticle

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Abstract

Background and objectives Despite high mortality and low levels of physical activity (PA) among patients starting dialysis, the link between low PA and mortality has not been carefully evaluated. Design, setting, participants,&measurements TheComprehensiveDialysis Studywas a prospective cohort study that enrolled patients who started dialysis between June 2005 and June 2007 in a random sample of dialysis facilities in the United States. The Human Activity Profile (HAP) was administered to estimate PA among 1554 ambulatory enrolled patients in the Comprehensive Dialysis Study. Patients were followed until death or September 30, 2009, and the major outcome was all-cause mortality. Results The average age was 59.8 (14.2) years; 55% of participants were male, 28% were black, and 56% had diabetesmellitus. The majority (57.3%) had lowfitness estimated from theHAP score. Themedian follow-upwas 2.6 (interquartile range, 2.2-3.1) years. The association between PA and mortality was linear across the range of scores (1-94). After multivariable adjustment, lower adjusted activity score on the HAP was associated with higher mortality (hazard ratio, 1.30; 95%confidence interval, 1.23-1.39 per 10 points). Patients in the lowest level of fitness experienced a 3.5-fold (95%confidence interval, 2.54-4.89) increase in risk of death compared with those with average or above fitness. Conclusions Low levels of PA are strongly associated with mortality among patients new to dialysis. Interventions aimed to preserve or enhance PA should be prospectively tested.

Original languageEnglish (US)
Pages (from-to)248-253
Number of pages6
JournalClinical Journal of the American Society of Nephrology
Volume8
Issue number2
DOIs
StatePublished - Mar 7 2013

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Dialysis
Exercise
Survival
Mortality
Human Activities
Confidence Intervals
Cohort Studies
Prospective Studies

ASJC Scopus subject areas

  • Nephrology
  • Transplantation
  • Epidemiology
  • Critical Care and Intensive Care Medicine

Cite this

Association of physical activity with survival among ambulatory patients on dialysis : The comprehensive dialysis study. / Johansen, Kirsten L.; Kaysen, George; Dalrymple, Lorien; Grimes, Barbara A.; Glidden, David V.; Anand, Shuchi; Chertow, Glenn M.

In: Clinical Journal of the American Society of Nephrology, Vol. 8, No. 2, 07.03.2013, p. 248-253.

Research output: Contribution to journalArticle

Johansen, Kirsten L. ; Kaysen, George ; Dalrymple, Lorien ; Grimes, Barbara A. ; Glidden, David V. ; Anand, Shuchi ; Chertow, Glenn M. / Association of physical activity with survival among ambulatory patients on dialysis : The comprehensive dialysis study. In: Clinical Journal of the American Society of Nephrology. 2013 ; Vol. 8, No. 2. pp. 248-253.
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