Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Bronchopulmonary dysplasia (BPD) incidence rate and its severity grades based on receiving HHHFNC for at least one day
| Infants did not receive HHHFNC (n = 75) |
Infants received HHHFNC (n = 241) |
P value | |
|---|---|---|---|
| BPD incidence rate | 29 (39%) | 126 (52%) | 0.03 |
| BPD incidence rate based on severity grades | |||
| Grade 1 | 16 (21%) | 83 (34%) | 0.03 |
| Grade 2 | 1 (1%) | 29 (12%) | < 0.01 |
| Grade 3 | 12 (16%) | 14 (6%) | < 0.01 |
