To the Editor Dr Levey and colleagues1 and Dr Glassock and colleagues2 debated whether age calibration should be required to determine chronic kidney disease (CKD) in older people. However, this is not what matters to patients. The rate of loss of renal function, not age calibration of estimated glomerular filtration rate (eGFR), is what really matters.
Rosansky SJ. Managing Chronic Kidney Disease in Older People. JAMA. 2016;315(3):306-307. doi:10.1001/jama.2015.15993