Healthcare resource utilization and costs of chronic kidney disease in Spain across KDIGO categories: Insights from real-world evidence. - Santamaria, Rafael; Escobar, Carlos; Aranda, Unai; Palacios, Beatriz; Capel, Margarita; Hernández, Ignacio; Cebrián, Ana; Alcázar, Roberto; Gorostidi, Manuel (Nefrologia, 2026)