ALB and diabetes mellitus: In our sensitivity analyses, we found no significant decreased risk of death for PD switchers versus non-switchers by year of follow-up (1st and 2nd years) or after stratification by diabetes mellitus status, history of cardiovascular disease, baseline residual urine output, and baseline serum albumin (< 3.5 g/dl versus ≥ 3.5 g/dl) (data not shown).