Table 1

Estimated baseline creatinine

Age (years)
Black males (mg/dl [μmol/l])
Other males (mg/dl [μmol/l])
Black females (mg/dl [μmol/l])
Other females (mg/dl [μmol/l])

20–24
1.5 (133)
1.3 (115)
1.2 (106)
1.0 (88)
25–29
1.5 (133)
1.2 (106)
1.1 (97)
1.0 (88)
30–39
1.4 (124)
1.2 (106)
1.1 (97)
0.9 (80)
40–54
1.3 (115)
1.1 (97)
1.0 (88)
0.9 (80)
55–65
1.3 (115)
1.1 (97)
1.0 (88)
0.8 (71)
>65
1.2 (106)
1.0 (88)
0.9 (80)
0.8 (71)

Estimated glomerular filtration rate = 75 (ml/min per 1.73 m2) = 186 × (serum creatinine [SCr]) - 1.154 × (age) - 0.203 × (0.742 if female) × (1.210 if black) = exp(5.228 - 1.154 × In [SCr]) - 0.203 × In(age) - (0.299 if female) + (0.192 if black).

Bellomo et al. Critical Care 2004 8:R204   doi:10.1186/cc2872