TABLE 3.
≤25 weeks
|
26–27 weeks
|
28–29 weeks
|
30–31 weeks
|
|||||
---|---|---|---|---|---|---|---|---|
Period 1 | Period 2 | Period 1 | Period 2 | Period 1 | Period 2 | Period 1 | Period 2 | |
Number of infants | 110 | 131 | 145 | 146 | 185 | 246 | 235 | 328 |
NCPAP, median days (IQR)* | 1 (0–6) | 7 (0–17)† | 5 (1–12) | 14 (5–25)† | 2 (0–9) | 4 (1–9)† | 0 (0–2) | 1 (0–3)† |
Mechanical ventilation, median days (IQR)* | 33 (8–44) | 36 (6–59) | 20 (11–36) | 12 (3–28)† | 3 (1–11) | 2 (0–6)† | 0 (0–3) | 0 (0–2)† |
Supplemental oxygen, median days (IQR)‡ | 48 (10–69) | 57 (6–114)† | 38 (14–58) | 24 (7–62) | 6 (1–23) | 6 (1–20) | 1 (0–4) | 1 (0–4) |
*Calculation includes total group of patients;
†P<0.05;
‡Includes days on fraction of inspired oxygen greater than 0.21. IQR Interquartile range;
NCPAP Nasal continuous positive airway pressure