In an analysis of data, a particular clinical or pathologic feature(s) is used as the basis for comparison, e.g. clinical stage, pathologic stage, PSA, Gleason score
(used of society) socially hierarchical; "American society is becoming increasingly stratified"
The third level in Morton Fried's stages of evolution of political society. It is characterized by leadership based upon power, an unequal ratio of leaders to positions of leadership, unequal access to the means of a livelihood, and a system of goods allocation based upon redistribution.