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Table 4 Univariable and multivariable linear regression analysis of factors with a significant association with lactate threshold

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 −0.07 0.70   
Sex 0.29 0.09 0.29 0.08
LVMI, g/m2 −0.01 0.98   
LVEDVI, ml/ m2 0.15 0.39   
LVEF, % −0.43 0.81   
RVEF, % 0.10 0.56   
RVEDI, ml/ m2 0.26 0.14   
Apex circumferential strain, % 0.15 0.38   
Mid LV circumferential strain, % −0.11 0.55   
Base circumferential strain, % −0.05 0.77   
LV torsion, o −0.36 0.04 −0.37 0.03
LV longitudinal strain, % 0.09 0.61   
LV longitudinal SSR, %/s 0.15 0.40   
LV longitudinal EDSR, %/s −0.23 0.19   
LV longitudinal LDSR, %/s −0.01 0.95   
RV longitudinal strain, % −0.01 0.97   
RV longitudinal SSR, %/s 0.04 0.84   
RV longitudinal EDSR, %/s −0.01 0.97   
RV longitudinal LDSR, %/s −0.22 0.20