A graphical method of displaying interrelated blood pressure data that effectively communicates patient or group performance within or between discrete datasets. The graphical method displays Systolic Pressure (SP), Diastolic Pressure (DP), Pulse Pressure (PP), Mean Arterial Pressure (MAP) and the Classification of Blood Pressure as related to a single data point or a plurality of data points from a discrete dataset. Multiple datasets can be simultaneously displayed for comparison purposes allowing patients, physicians or scientists to understand the relative differences in dataset performance across a series of datasets.