mean arterial blood pressure absolute change in mean arterial blood pressure 2011-10-28T04:24:16Z CMO:0000533 The difference in mean arterial blood pressure between two points in time or two conditions expressed as the result of the subtraction in and of itself without comparison by ratio with another quantity. The term "absolute change" refers to the subtraction of one value from another, as opposed to a dissimilarity of two values expressed as a ratio or as a percentage. In this context it is not intended to necessarily imply the difference expressed as an absolute value |n|, that is, the numeric value of the difference without regard to its sign. VT:2000000 clinical_measurement_ontology mshimoyama change in calculated blood pressure