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

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

	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

ISSN: 1532-429X