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How long can an 80 year old live with stage 4 kidney failure?

According to a study cited in *Kidney Medicine*, the median survival for very elderly patients (80+) on hemodialysis was approximately 25 months, though this varies greatly. The question of how long an 80 year old can live with stage 4 kidney failure depends on numerous factors, including co-existing health conditions, overall functional status, and chosen treatment path.