Table 3 Results of echocardiography parameters of two groups in 3-month follow-up.
Spontaneous closure group (n = 234) | Persistent iASD group (n = 96) | t/Z/X2 | P value | |
|---|---|---|---|---|
LAd (mm) | 36.00 (32.00–45.00) | 37.00 (30.00–53.00) | − 1.276 | 0.256 |
Aod (mm) | 34.00 (21.00–43.00) | 36.00 (23.00–42.00) | 1.746 | 0.164 |
RVd (mm) | 17.00 (14.00–27.00) | 19.00 (14.00–24.00) | 1.841 | 0.159 |
IVSd (mm) | 9.00 (6.00–14.00) | 9.00 (6.00–14.00) | 0.380 | 0.648 |
LVd (mm) | 46.00 (35.00–62.00) | 47.00 (31.00–67.00) | 1.570 | 0.187 |
LVPWd (mm) | 9.00 (6.00–12.00) | 10.00 (6.00–14.00) | 0.824 | 0.332 |
PAd (mm) | 27.00 (14.00–35.00) | 28.00 (15.00–37.00) | 1.747 | 0.163 |
LVEF (%) | 63.0 (52.0–73.0) | 64.0 (53.0–70.0) | 0.287 | 0.682 |
CO (ml/min) | 6.20 (3.40–11.20) | 6.10 (3.10–13.50) | 1.273 | 0.267 |
SV (ml) | 58.0 (52.0-127.0) | 58.0 (48.0-104.0) | 0.331 | 0.668 |
FS (%) | 36.33 ± 6.36 | 36.93 ± 5.92 | − 0.138 | 0.852 |
RA size | 3.157 | 0.092 | ||
Normal | 196 (83.8%) | 73 (76.0%) | ||
Enlarge | 26 (11.1%) | 16 (16.7%) | ||
MR | 30 (12.8%) | 31 (32.3%) | 7.433 | 0.018* |
TR | 17 (7.3%) | 26 (27.1%) | 9.892 | 0.002* |
Percentage of left atrium diameter decline (%) | 15.12 | 15.44 | − 0.342 | 0.664 |
Blood flow velocity in pulmonary vein at systole (m/s) | 1.10 (0.60–3.20) | 1.30 (0.80–3.10) | 0.276 | 0.695 |
Blood flow velocity at mitral valve orifice at early diastole (E) (m/s) | 0.86 (0.46–1.64) | 0.98 (0.52–1.49) | 0.149 | 0.823 |
Blood flow velocity at mitral valve orifice at late diastole (A) (m/s) | 0.72 (0.32–1.42) | 0.99 (0.41–1.65) | 0.151 | 0.820 |
Peak velocity at septal mitral annulus at early diastole (e’) (cm/s) | 10.21 (3.78–16.20) | 8.87 (3.11–16.91) | − 1.571 | 0.188 |
Average E/e′ | 12.53 (2.91–17.82) | 14.53 (2.12–18.99) | 2.980 | 0.113 |
