All values are reported as median (IQR). Bonferroni correction was carried out for pairwise comparisons.

i, indexed by body surface area; LA, left atrial; MR, mitral regurgitation; MV, mitral valve; MVA, MV annulus; LVOT, left ventricular outflow tract; VTI, velocity time integral.

* there is a significant (p-value <0.001) difference between the groups.

† there is a significant (p-value <0.001) difference between mild and moderate groups.

‡ there is a significant (p-value <0.001) difference between mild and severe groups.

§ there is a significant (p-value <0.001) difference between moderate and severe groups.