Baseline After 6 h After 12 h P for trend Calcium, mmol/L 2.34±0.11 2.30±0.09 2.30±0.12 0.0003 iCa, mmol/L 1.17±0.06 1.19±0.09 1.19±0.06 0.0009 Phosphorus, mmol/L 0.84±0.24 1.10±0.25 1.07±0.22 <0.0001

Table 4: Biochemical parameters and changes over time. iCa: Ionized Calcium.