Question: what is a sokal score?
Answer: Sokal score = Exp [0.0116 × (age in years - 43.4) + 0.0345 × (spleen size - 7.51) + 0.188 9 ([platelet count ⁄ 700]2 - 0.563) + 0.0887 × (blast cell counts - 2.10)], where Exp is the exponential function [5].