Multi-stratum medical grey relational theory and its application research

This article is to explore the theory and the application of multi-stratum medical grey relation. The axiom system of multi-stratum medical grey relational analysis is introduced; Some concepts of multi-stratum medical grey relation are defined including the primary reference factor, the assistant factor, the stratum comparison factor, the leading comparison factor, the dominant assistant factor, the recessive assistant factor and the cooperative factor; multi-stratum grey relational space and GRG matrix are also defined. Based on the data from the hypertensive, the multi-stratum (e.g. endocrine-stratum, blood pressure-stratum, and heart-stratum) medical grey relational analysis revealed the same conclusions as most clinical researches, and satisfactory specialty explanations were also offered.