Abstract
Cardiovascular investigations often involve ratio-based metrics or differences: ejection fraction, arterial pressure augmentation index, coronary fractional flow reserve, pulse pressure. Focusing on a single number (ratio or difference) implies that information is lost. The lost companions constitute a well-defined but thus far unrecognized class, having additive value, a physical dimension, and often a physiological meaning. Physiologists should play a prominent role in exploring these complementary avenues and also define alternatives.
Original language | English |
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Pages (from-to) | 250-263 |
Number of pages | 14 |
Journal | Physiology |
Volume | 34 |
Issue number | 4 |
DOIs | |
Publication status | Published - 1 Jul 2019 |
Keywords
- Biomarkers
- Ejection fraction
- Statistics
- fractional flow reserve
- ratio analysis