(A) Correlation of Serum PTH and phosphate concentration. (B)Estimated change in PTH concentration in response to a simulated change in serum phosphate concentration. RodriguezMariano Dolores SalmeronM. Martin-MaloAlejandro BarbieriCarlo MariFlavio I. MolinaRafael CostaPedro AljamaPedro 2016 <p>These estimations are derived from Random Forest regression models for the prediction of outcome variables.</p>