Five-year disease-related risk of mortality in ambulatory frail older Japanese.

要旨

Revision codes, hospitalization, and institutionalization. The study included 1,239 ambulatory frail older adults newly certified as needing Support-Level care at baseline (April 2012-March 2013) across three Japanese municipalities.Results Of the 1,239 participants, 454 (36.6%) died. Neoplasms (hazard ratio [HR] 2.69, 95% confidence interval [CI] 1.97-3.68) or respiratory system diseases (HR 1.62, 95%CI 1.26-2.08) were independently associated with mortality. Mental/behavioral/neurodevelopmental disorders (HR 1.39, 95%CI 1.17-1.66) or diseases of the respiratory system(HR 86, 95%CI 75-99) were independently associated with care-need level decline.Conclusions This study suggests that neoplasms or respiratory system diseases were associated with a high mortality risk and that mental/behavioral/neurodevelopmental disorders were associated with care-need level decline among ambulatory frail older adults. Optimal disease management and effective long-term care are important to delay the onset of these events in older adults certified as needing Support-Level care.

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