Table 2 Demographic information and first CoA balloon angioplasty in infants with native CoA
Variable | Mean ± SD | p value | ||
|---|---|---|---|---|
< 1 mo (n = 8) | 1–3 mo (n = 9) | > 3 mo (n = 25) | ||
Age (month) | 0.42 ± 0.32 | 1.99 ± 0.66 | 16.10 ± 9.27 | – |
Balloon diameter (mm) | 6.54 ± 0.96 | 7.16 ± 1.26 | 7.2 ± 3.11 | 0.062 |
Pressure gradient before balloon (mm Hg) | 28.38 ± 10.17 | 38.21 ± 13.71 | 41.99 ± 15.11 | 0.213 |
Pressure gradient after balloon (mm Hg) | 8.42 ± 4.21 | 7.91 ± 3.79 | 9.81 ± 5.64 | 0.125 |
Recoarctation rate number (%) | 4 (50) | 3 (33.3) | 2 (8) | 0.035 |
Admission duration (day) | 15.07 ± 12.64 | 7.95 ± 9.96 | 2.67 ± 1.15 | 0.539 |