Resumen de Measures to Define Chronic Kidney Disease�Reply

Stein I. Hallan, Kunihiro Matsushita

• The nuances raised by Dr O�Hare are important but they do not invalidate our interpretation that �Although some variation in management of CKD should be considered by age based on cost and benefits, with respect to risk of mortality and ESRD, our data support a common definition and staging of CKD based on eGFR and albuminuria for all age groups.