Table 1.

Measured GFR using inulin in healthy adult males according to age (29)

Age, YrsInsulin Clearance, mean±SD, ml/min per 1.73m2
20–29123±16
30–39115±11
40–49121±23
50–5999±15
60–6996±26
70–7989±20
80–8965±20