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Table 5 Univariable and multivariable linear regression analysis of factors with a significant association with V̇O2max

From: Relationship between cardiac deformation parameters measured by cardiovascular magnetic resonance and aerobic fitness in endurance athletes

  Univariable Multivariable
  Beta P value Beta P value
Age −0.37 0.04 −0.26 0.10
Sex 0.40 0.02 −0.30 0.14
LVMI, g/m2 0.59 <0.001 0.19 0.37
LVEDVI, ml/ m2 0.47 0.01 0.16 0.48
LVEF, % −0.12 0.50   
RVEF, % −0.52 0.77   
RVEDI, ml/m2 0.33 0.05 0.06 0.78
Apex circumferential strain, % 0.27 0.11   
Mid LV circumferential strain, % 0.18 0.92   
Base circumferential strain, % −0.17 0.33   
LV torsion, o −0.21 0.24   
LV longitudinal strain, % 0.17 0.32   
LV longitudinal SSR, %/s 0.04 0.80   
LV longitudinal EDSR, %/s −0.04 0.81   
LV longitudinal LDSR, %/s −0.14 0.41   
RV longitudinal strain, % 0.30 0.08 −0.15 0.45
RV longitudinal SSR, %/s −0.33 0.05 −0.24 0.14
RV longitudinal EDSR, %/s −0.01 0.96   
RV longitudinal LDSR, %/s −0.38 0.02 −0.35 0.03