Sex (male/female) |
5/8 |
4/10 |
4/10 |
0.586 |
Gestational age (week) |
25.0±1.87 |
26.7±1.93 |
26.7±1.93 |
0.028*
|
Mean birth weight (g) |
809±167 |
1229±491 |
1229±491 |
0.007*
|
Mean age at surgery (days) |
23±12 |
36±20 |
36±20 |
0.079 |
Mean weight at surgery (g) |
822±169 |
1528±573 |
1528±573 |
0.000*
|
Mean PDA size (mm) |
2.64±0.61 |
3.04±0.79 |
3.04±0.79 |
0.162 |
Preoperative condition |
|
|
|
|
NEC |
2 |
1 |
1 |
0.496 |
CHF |
13 |
14 |
14 |
1.000 |
ARF |
6 |
3 |
3 |
0.173 |
RDS |
12 |
12 |
12 |
0.586 |
ROP |
2 |
3 |
3 |
0.686 |
Sepsis |
4 |
4 |
4 |
0.901 |
Hydrops fetalis |
0 |
1 |
1 |
0.326 |
Genetic syndrome |
1 |
0 |
0 |
0.290 |
Post‐resuscitation |
0 |
0 |
0 |
1.000 |
Failed percutaneous closure |
0 |
0 |
0 |
1.000 |
Hydrocephalus + tracheostomy |
0 |
1 |
1 |
0.326 |
Bronchopneumonia |
2 |
3 |
3 |
686 |
Preoperative MV support |
13 |
12 |
12 |
0.157 |