Table 4.
Multivariate regression analysis dependent as post- FEV1 z-scores
| Independent variables | Standardized Coefficients Beta | 95% CI | P-value | |
|---|---|---|---|---|
| lower | upper | |||
| Lymphocytes | -0.281 | -0.211 | -0.002 | 0.045 |
| BPD severity | -0.640 | -1.022 | -0.293 | < 0.001 |
| Gestational age | -0.047 | -0.054 | 0.024 | 0.438 |
| Birth weight | -0.153 | -0.001 | 0.002 | 0.455 |
| APGAR, 1 min | 0.075 | -0.178 | 0.294 | 0.619 |
| APGAR, 5 min | -0.153 | -0.288 | 0.216 | 0.77 |
| BMI | 0.075 | -0.130 | 0.058 | 0.444 |
Note: BPD: bronchopulmonary dysplasia; BMI: Body mass index; FEV1: forced expiratory volume in 1 s; Post: post bronchodilator; APGAR: Apgar-score