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Comparison of mean pulse pressures and mean amplitudes of the different categories of subjects. The scatter plot shows four distinct groupings corresponding to the four categories of subjects. There is some degree of overlap between the two sexes within an age group.
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| Category | Mean Pulse Pressure (mm Hg) | Mean Amplitude (mm) |
| Young Male | 45.84±3.41 | 14.49±3.55 |
| Old Male | 57.84±4.00 | 8.39±2.65 |
| Young Female | 43.60±3.11 | 6.28±2.46 |
| Old Female | 57.28±2.82 | 3.65±1.46 |
