Table 2.

Left Ventricular Volumes and Dimensions

Preterm-Born Young Adults (n=102)Term-Born Young Adults (n=102)P*Term-Born Adults (n=30)PP
ED volume, mL/m272.2±9.380.2±11.7<0.00181.5±12.9<0.001>0.99
End-systolic volume, mL/m225.7±5.429.1±6.4<0.00129.0±6.40.01>0.99
Stroke volume, mL/m246.6±7.451.3±8.9<0.00152.5±8.4<0.001>0.99
Length, cm9.20±0.659.81±0.73<0.0019.70±0.64<0.001>0.99
Luminal diameter, cm5.20±0.475.64±0.48<0.0015.66±0.34<0.001>0.99
External diameter, cm7.33±0.657.19±0.640.167.26±0.43>0.99>0.99
Global ED WT, mm9.26±1.407.46±1.26<0.0017.93±1.26<0.0010.07
 Anterior ED WT, mm8.21±1.516.87±1.51<0.0017.39±1.450.0090.15
 Anterolateral ED WT, mm8.89±1.746.89±1.45<0.0017.11±1.50<0.001>0.99
 Inferolateral ED WT, mm9.40±1.757.13±1.53<0.0017.52±1.38<0.0010.44
 Inferior ED WT, mm9.17±1.737.22±1.60<0.0018.03±1.450.0030.01
 Inferoseptal ED WT, mm10.29±1.808.56±1.34<0.0018.96±1.58<0.0010.40
 Anteroseptal ED WT, mm9.63±1.798.10±1.78<0.0018.56±1.680.0030.51
Relative WT0.35±0.070.26±0.05<0.0010.28±0.05<0.0010.02
 Relative WT >0.42, n (%)21 (20.6)0 (0)<0.0010 (0)<0.001>0.99
Mass/ED volume, g/mL0.93±0.140.70±0.12<0.0010.70±0.13<0.001>0.99
  • ED indicates end-diastolic; WT, wall thickness. Values as mean±SD unless stated otherwise. P values were adjusted with the Bonferroni method.

  • * Preterm-born young adults versus term-born young adults. Comparisons adjusted for age and sex.

  • Preterm-born young adults versus term-born adults. Comparisons adjusted for sex.

  • Term-born young adults versus term-born adults. Comparisons adjusted for sex.