Table 3.

Relationship Between Left Ventricular Structural and Functional Changes and ECV in Preterm-Born Young Adults Using Bivariate Regression

	ECV, %
	B	β	95% Confidence Interval for B		P Value
			Lower Bound	Upper Bound
CMR myocardium mass/BSA, g/m2	−0.808	−0.188	−2.379	0.764	0.302
CMR mass/end diastolic volume, g/mL	0.006	0.109	−0.014	0.026	0.552
CMR average wall thickness, mm	−0.035	−0.122	−0.313	0.431	0.432
CMR stroke volume/BSA, mL/m2	−0.511	−0.115	−2.157	1.135	0.531
CMR longitudinal systolic strain, %	0.145	0.209	−0.113	0.403	0.260
CMR longitudinal systolic strain rate, s−1	−0.017	−0.099	−0.099	0.066	0.682
CMR longitudinal diastolic strain rate, s−1	−0.386	−0.454	−0.673	−0.099	0.010
Echocardiography longitudinal systolic strain, s−1	0.100	0.135	−0.221	0.421	0.433
Echocardiography longitudinal diastolic strain rate, s−1	−0.293	−0.395	−0.510	−0.076	0.027
Echocardiography E/A ratio	−0.105	−0.464	−0.185	−0.026	0.011

Values in bold are statistically significant (P < 0.05). B represents the difference in left ventricular structural or functional variables per 1% elevation in ECV (slope or unstandardized regression coefficient). β represents the standardized regression coefficient (−1 to 1).

Abbreviations as in Table 2.