Table 1 Equations to estimated GFR

7MDRD

170 × (Scr)^-0.999 × (Age^)-0.176 × 0.762 (if female) × 1.180 (if black) × (BUN^)-0.170 × (Alb)^0.318

aMDRD

186 × (Scr)^-1.154 × (Age)^-0.203 × 0.742 (if female) × 1.212 (if black)

re-aMDRD

175 × (Scr)^-1.154 × (Age)^-0.203 × 0.742 (if female) × 1.212(if black)

 Female; Scr ≤ 0.7 mg/dl

144 × (Scr/0.7)^−0.329 × 0.993^Age [×1.159 if black]

 Female; Scr > 0.7 mg/dl

144 × (Scr/0.7)^−1.209 × 0.993^Age [×1.159 if black]

 Male; Scr ≤ 0.9 mg/dl

141 × (Scr/0.9)^−0.411 × 0.993^Age [×1.159 if black]

 Male; Scr > 0.9 mg/dl

141 × (Scr/0.9)^−1.209 × 0.993^Age [×1.159 if black]

 Female or Male; Scys ≤ 0.8 mg/dl

133 × (Scys/0.8)^−0.499 × 0.996^Age [×0.932 if female]

 Female or Male; Scys > 0.8 mg/dl

133 × (Scys/0.8)^−1.328 × 0.996^Age [×0.932 if female]

  Scr ≤ 0.7 mg/dl; Scys ≤ 0.8 mg/dl

130 × (Scr/0.7)^−0.248 × (Scys/0.8)^−0.375 × 0.995^Age [×1.08 if black]

  Scr ≤ 0.7 mg/dl; Scys > 0.8 mg/dl

130 × (Scr/0.7)^−0.248 × (Scys/0.8)^−0.711 × 0.995^Age [×1.08 if black]

  Scr > 0.7 mg/dl; Scys ≤ 0.8 mg/dl

130 × (Scr/0.7)^−0.601 × (Scys/0.8)^−0.375 × 0.995^Age [×1.08 if black]

  Scr > 0.7 mg/dl; Scys > 0.8 mg/dl

130 × (Scr/0.7)^−0.601 × (Scys/0.8)^−0.711 × 0.995^Age [×1.08 if black]

  Scr ≤ 0.9 mg/dl; Scys ≤ 0.8 mg/dl

135 × (Scr/0.9)^−0.207 × (Scys/0.8)^−0.375 × 0.995^Age [×1.08 if black]

  Scr ≤ 0.9 mg/dl; Scys > 0.8 mg/dl

135 × (Scr/0.9)^−0.207 × (Scys/0.8)^−0.711 × 0.995^Age [×1.08 if black]

  Scr > 0.9 mg/dl; Scys ≤ 0.8 mg/dl

135 × (Scr/0.9)^−0.601 × (Scys/0.8)^−0.375 × 0.995^Age [×1.08 if black]

  Scr > 0.9 mg/dl; Scys > 0.8 mg/dl

135 × (Scr/0.9)^−0.601 × (Scys/0.8)^−0.711 × 0.995^Age [×1.08 if black]