| β | SE | Wald | aOR | 95%CI | P |
---|---|---|---|---|---|---|
Correlative factors for mild BPD | ||||||
 Compared with moderate BPD group | ||||||
  PN (days) | −1.089 | 0.205 | 28.281 | 0.337 | 0.225 ~ 0.503 | < 0.001 |
  Caffeine | −1.510 | 0.749 | 4.059 | 0.221 | 0.051 ~ 0.960 | 0.044 |
 Compared with severe BPD group | ||||||
  PN (days) | −1.207 | 0.214 | 31.823 | 0.299 | 0.197 ~ 0.455 | < 0.001 |
  PDA | −2.245 | 1.058 | 4.501 | 0.106 | 0.013 ~ 0.843 | 0.034 |
Correlative factors for moderate BPD | ||||||
 Compared with mild BPD group | ||||||
  PN (days) | 1.089 | 0.205 | 28.281 | 2.972 | 1.989 ~ 4.440 | < 0.001 |
  Caffeine | 1.510 | 0.749 | 4.059 | 4.525 | 1.042 ~ 19.649 | 0.044 |
 Compared with severe BPD group | ||||||
  PDA | −1.649 | 0.541 | 9.305 | 0.192 | 0.067 ~ 0.555 | 0.002 |
  Caffeine | 1.348 | 0.532 | 6.428 | 3.850 | 1.358 ~ 10.916 | 0.011 |
  Aminophylline | −1.821 | 0.527 | 11.948 | 0.162 | 0.058 ~ 0.455 | 0.001 |
Correlative factors for severe BPD | ||||||
 Compared with mild BPD group | ||||||
  PN (days) | 1.207 | 0.214 | 31.823 | 3.343 | 2.198 ~ 5.085 | < 0.001 |
  PDA | 2.245 | 1.058 | 4.501 | 9.441 | 1.186 ~ 75.128 | 0.034 |
 Compared with moderate BPD group | ||||||
  PDA | 1.649 | 0.541 | 9.305 | 5.202 | 1.803 ~ 15.010 | 0.002 |
  Caffeine | −1.348 | 0.532 | 6.428 | 0.260 | 0.092 ~ 0.736 | 0.011 |
  Aminophylline | 1.821 | 0.527 | 11.948 | 6.179 | 2.200 ~ 17.353 | 0.001 |