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TR Grade by TTE vs CMR-Derived Severity Grading
| TTE | CMR by TR Volume (Severe ≥45 mL) |
CMR-Derived TR Volume Indexed by BSA (mL/m2) (Severe >45 mL/m2) |
CMR Grade by TR Fraction (%) (Severe >50%) |
|||
|---|---|---|---|---|---|---|
| Nonsevere | Severe | Nonsevere | Severe | Nonsevere | Severe | |
| Nonsevere | 21 | 0 | 29 | 0 | 20 | 1 |
| Severe | 21 | 10 | 21 | 2 | 28 | 3 |
All observations are presented as counts.
BSA = body surface area; CMR = cardiac magnetic resonance; TR = tricuspid regurgitation; TTE = transthoracic echocardiography.
