Table 2.

Measured GFR, creatinine clearance, eGFR, and average of creatinine clearance and measured GFR, by age

Age, Yrs	n	Measured GFR, Mean±SD	Creatinine Clearance, Mean±SD	eGFR, Mean±SD	Average of Creatinine Clearance, and eGFR, Mean±SD
All	769	103±16	106±18	98±16	103±16
18–30	133	109±14	108±19	110±16	109±16
31–40	209	107±17	108±20	103±16	104±18
41–50	246	103±18	106±18	96±14	101±15
>50	181	94±15	98±16	89±15	97±17

Adapted from ref. 49 with permission.