Research Article

Applicability of 14 Formulas for Estimating Glomerular Filtration Rate in the Evaluation of Renal Function before and after Nephron-Sparing Surgery in Patients with Renal Tumors

Table 2

14 formulas for calculating the glomerular filtration rate.

eGFR1CG formula [6]: (0.85 if female) × (140−age) × bodyweight/(72 × Scr)

eGFR2MDRD (simplified) I [12]: 186 × Scr−1.154 × age−0.203 × (0.742 if female)
eGFR3MDRD (simplified) II [13]: 175 × Scr−1.154 × age−0.203 × (0.742 if female)
eGFR4MDRD-C (for Chinese) [14]: 186 × Scr−1.154 × age−0.203 × (0.742 if female) × (1.233 if Chinese)
eGFR5MDRD formula [15]: 170 × Scr−0.199 × age−0.176 × BUN−0.17 × Alb0.138 × (0.762 if female)
eGFR6CKD-EPI Scr [16]: a × (Scr/b)c × 0.399age
a = 144 (if female), a = 141 (if male)
b = 0.7 (if female), b = 0.9 (if male)
c = −0.329 when Scr ≤ 0.7 mg/dL (if female); c = −1.209 when Scr > 0.7 mg/dL (if female); c = −0.441 when Scr ≤ 0.9 mg/dL (if male); c = −1.209 when Scr > 0.9 mg/dL (if male)
eGFR7CKD-EPISCysC [17]: 133  × (SCysC/0.8)a × (0.996)age × (0.932 if female); a = −0.499 when SCysC ≤ 0.8 mg/l; a = −1.328 when SCysC > 0.8 mg/L
eGFR8CKD-EPIScr-SCysC [17]: a × (Scr/b)c × (SCysC/0.8)d × (0.995)age
a = 130 (if female), a = 135 (if male)
b = 0.7 (if female), b = 0.9 (if male)
c = −0.248 when Scr ≤ 0.7 mg/dL (if female); c = −0.601 when Scr > 0.7 mg/dL (if female); c = −0.207 when Scr ≤ 0.9 mg/dL (if male); c = −0.601 when Scr > 0.9 mg/dL (if male)
d = −0.375 when SCysC ≤ 0.8 mg/L; d = −0.711 when SCysC > 0.8 mg/L
eGFR9SchwartzScr-SCysC [18]: 39.8 × (height/Scr)0.456 × (1.8/SCysC)0.418 × (30/BUN)0.079 × (1.076 if male) × (height/1.4)0.179
eGFR10FASScr [19]: 107.3/(Scr/QScr) when 2 ≤ age ≤ 40
0.988 (age−40) × 107.3/(Scr/QScr) when age > 40
QScr = 0.7 mg/dL (if female); QScr = 0.9 mg/dL (if male)
eGFR11FASSCysC [20]: 107.3/(SCysC/QSCysC) when 2 ≤ age ≤ 40
0.988 (age−40) × 107.3/(SCysC/QSCysC) when age>40
QSCysC = 0.82 when age < 70; QSCysC = 0.95 when age ≥ 70
eGFR12FASScr-SCysC [20]: 0.988 (age−40)  × 107.3/[α × Scr/QScr + (1 − α) × SCysC/QSCysC] when age>40
QSCysC = 0.82 when age<70; QSCysC = 0.95 when age ≥ 70 α = 0.5
eGFR13BIS − 1 Scr [21]: 3736 × Scr−0.87 × age−0.95 × (0.82 if female)
eGFR14BIS − 2 Scr-SCysC [21]:767  × SCysC−0.61 × Scr−0.40 × age−0.57 × (0.87 if female)