Carrieri et al developed an equation to correlate urine specific gravity with urine creatinine concentration. The authors are from Universita di Padova in Italy.
Parameters:
(1) urine specific gravity
(2) urine creatinine concentration in g/L
urine specific gravity =
= (0.0098 * LN(urine creatinine in g/L)) + 1.0178
If this is rearranged:
urine creatinine =
= EXP(((urine specific gravity) - 1.0178) / 0.0098)
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