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ARr as calculated using aortic root measurements obtained by two different techniques (leading edge, end-diastole and inner edge, mid-systole)
| Range | Mean value ± SD | |
|---|---|---|
| ARr (leading edge, end-diastole) | 12.3–35.6 | 18.09 ± 3.90 |
| ARr (inner edge, mid-systole) | 12.3–34.2 | 17.78 ± 3.85 |
