Group | N | Gender (male/female) | Gestational age (week) | Age in days | Birth weight (kg) | Complication (hyaline membrane disease/mild asphyxia/respiratory distress syndrome) |
Combination group | 30 | 20/10 | 30.21 ± 3.38 | 6.06 ± 0.59 | 1.22 ± 0.17 | 23/5/2 |
PICC group | 30 | 18/12 | 30.45 ± 3.55 | 6.15 ± 0.66 | 1.26 ± 0.24 | 24/3/3 |
x2/t |
| 0.2871 | 0.2682 | 0.5568 | 0.7449 | 0.7213 |
p |
| 0.5921 | 0.7895 | 0.5798 | 0.4593 | 0.6972 |