mean arterial blood pressure absolute change in mean arterial blood pressure mshimoyama 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. 2011-10-28T04:24:16Z 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. clinical_measurement_ontology CMO:0000533 VT:2000000 change in calculated blood pressure