Krischer J P
Health Serv Res. 1976 Summer;11(2):143-57.
Six severity indexes proposed in the health services research literature are shown to be special cases of a class of ordinal ranking functions called additive value functions. Deficiencies manifest in each of the severity indexes are discussed in relation to the properties that additive value functions must satisfy. In that severity indexes are a subset of health status indexes, the properties that imply and are implied by additive value formulations are relevant to the larger class of indexes as well.
卫生服务研究文献中提出的六个严重程度指标被证明是一类称为加性价值函数的序数排名函数的特殊情况。针对每个严重程度指标中表现出的不足，结合加性价值函数必须满足的属性进行了讨论。由于严重程度指标是健康状况指标的一个子集，加性价值公式所蕴含的属性以及蕴含加性价值公式的属性对于更大类别的指标也具有相关性。
