Table 1 Baseline characteristics
CHARACTERISTICS | PATIENTS | CONTROLS | p |
|---|---|---|---|
Age, years | 18 ± 2 [12-21] | 19 ± 3 [12-24] | 0.109 |
Gender, n | 11 males; 9 females | 12 males; 8 females | 0.749 |
LV ejection fraction [LVEF (%)] | 59 ± 3.5 | 61 ± 4.2 | 0.057 |
LV end-diastolic volume indexed [LVEDVi (mL/m2)] | 85 ± 16.5 | 85 ± 14.1 | 0.975 |
LV end-systolic volume [LVESVi (mL/m2)] | 35 ± 9.5 | 35 ± 9.1 | 0.946 |
Global circumferential strain (GCs) | -14.0 ± 3.6 | -16.4 ± 3.5 | 0.041 |
Global radial strain (GRs) | 17.2 ± 6.4 | 30.7 ± 6.9 | <0.001 |
Global circumferential strain rate [GCSr (syst)] | -1.25 ± 0.26 | -1.58 ± 0.41 | 0.005 |
Global radial strain rate peak systole [GCRSr (syst)] | 0.86 ± 0.21 | 2.44 ± 0.5 | <0.001 |
Global circumferential strain rate early diastole [GCSr (diast)] | 1.49 ± 0.41 | 1.85 ± 0.52 | 0.022 |
Global radial strain rate early diastole [GRSr (diast)] | -1.61 ± 0.38 | -2.21 ± 0.61 | 0.001 |
Native T1 (mid septum, ms) | 1004 ± 70.6 | 966 ± 30.6 | 0.035 |
LA ejection fraction total (%) | 66.9 ± 8.3 | 67.9 ± 7.8 | 0.692 |
LA conduit function (%) | 41.2 ± 15.1 | 41.5 ± 10.6 | 0.928 |
LA booster pump function (%) | 42.3 ± 9.1 | 44.5 ± 10.8 | 0.682 |
LA total strain (εs) | 30.6 ± 8.6 | 30.7 ± 7.4 | 0.967 |
LA passive strain (εe) | 24.1 ± 6.4 | 23.3 ± 5.2 | 0.638 |
LA active strain (εa) | 6.5 ± 3.5 | 7.5 ± 3.6 | 0.400 |
LA peak positive strain rate (SRs) | 1.2 ± 0.3 | 1.3 ± 0.4 | 0.430 |
LA peak early negative strain rate (SRe) | -1.7 ± 0.4 | 1.7 ± 0.4 | 0.941 |
LA peak late negative strain rate (SRa) | -0.9 ± 0.3 | -1.0 ± 0.3 | 0.148 |
Pulse wave velocity [PWV (m/s)] | 4.605 ± 0.51 | 3.742 ± 0.23 | 0.019 |