Frailty status changes are associated with healthcare utilization and subsequent mortality in the elderly population.

patient non-rehabilitation visits were higher among those with unchanged pre-frail or frail status (odds ratios [OR]: 1.94, 95% confidence interval [CI]: 1.02–3.71 and OR: 1.99, 95% CI: 1.04–3.79, respectively), and among those with deteriorated frailty status (OR: 2.01, 95% CI: 0.97–4.18, p = 0.06 borderline significant, and OR: 2.05, 95% CI: 0.99–4.26, p = 0.05 borderline significant, respectively); but not for risks of hospital admission and emergency room visits if unchanged robust status was used as the reference group (Table 4 ).

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