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Abstract

In a system in which multiple related parameters, such blood chemistry data, are to be evaluated, such evaluation is facilitated by converting the data into specially normalized units as a percentage on a scale depicting the maximum and minimum empirical values for such parameter. Then a normal relationship between pairs of such data (FIG. 1--N) is provided and compared with measured relationships between corresponding pairs of data (FIG. 1--CN to FN) and quantitative and qualitative evaluations are made. Also the complete set of data for such a system is plotted on respective radial axes in such normalized units on a circular coordinate system with the respective maximum and minimum for each parameter being marked on its radius (FIG. 2). The maxima and minima are interconnected to form two closed lines (22), thereby to provide an annulus representing the normal range. Then measured parameters for various entitities are similarly plotted and compared with the normal annulus or known abnormal annuli (FIGS. 3 to 7). Also circular point diagrams are provided, with points on a circular path representing respective parameters and respective pairs of points being connected in cases where a normal quantitative relationship exists (FIG. 8A) or where a specified type of qualitative abnormal relationship exists (FIGS. 8B to 8F), thereby to depict more readily the condition of the system. The data or parameters may be plotted with the aid of an EDP system (FIG. 9).

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