Elimination rates of electrolytes, vitamins and trace elements during continuous renal replacement therapy with citrate CVVHD: influence of treatment dose

Table 1 ER elimination rates

Parameter	Average daily ER	Day 1 R²	Day 2 R²	Day 3 R²
Ca²⁺ (mmol/day)	97 (83 to 107)	0.2125	0.2448	0.2315
Mg²⁺ (mmol/day)	6 (3 to 9)	0.0247	0.0708	0.0733
PO₄²⁻ (mmol/day)	53 (40 to 69)	0.003	0.0556	0.0012
Zinc (μmol/day)	46 (27 to 73)	0.005	0.0527	0.0502
Folic acid (nmol/day)	268 (180 to 388)	0.0935	0.0031	0.0353
Vitamin B12 (pmol/day)	2,060 (1,690 to 2,558)	0.0009	0.0092	0.0152

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