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Feasibility of detecting age-related changes in stiffness.
| Single M-line | Multiple M-line | p-value | ||
|---|---|---|---|---|
| Distensibility coefficient (1/MPa) | <60 y (44%) | 17.00 | 16.82 | – |
| ≥60 y (56%) | 14.00 | 13.85 | – | |
| difference | −3.00 | −2.97 | 0.71 | |
| Young's elastic modulus (MPa) | <60 y (44%) | 0.638 | 0.641 | – |
| ≥60 y (56%) | 0.758 | 0.756 | – | |
| difference | +0.120 | +0.115 | 0.64 |
p-value shown is for the difference between single and multiple M-line approaches.
