The number of individual cases in any category of treatment can easily be calculated with the formula: "Individual costs times total number equals total costs." The individual costs are readily known, but the problem is that the total number of treatments in the various categories has never been assessed. For instance, on the average how many appendectomies are performed in the nation every year?
而依照「單價」乘以「數量」等於「給付總額」的算法，單項醫療成本範圍可以估量，問題是每個單項的數量﹘﹘譬如全國平均每年進行多少件割除盲腸手術？