Table 3.
Description of BPD incidence rate, use of respiratory support, and its duration according to gestational age
| Outcome | Gestational age in weeks | |||||
|---|---|---|---|---|---|---|
| 23 weeks (n = 22) |
24 weeks (n = 31) |
25 weeks (n = 43) |
26 weeks (n = 55) |
27 weeks (n = 69) |
28 weeks (n = 96) |
|
| BPD rate | 21 (95.5) | 22 (71) | 25 (58) | 27 (49) | 31 (45) | 29 (30) |
| Receiving MV for at least one day | 22 (100) | 31 (100) | 41 (95) | 51 (93) | 62 (90) | 77 (80) |
| Duration of MV in days, median [IQR] | 30 [22–37] | 28 [15–36] | 21 [12–32] | 15 [10–27] | 8 [4–16] | 5 [3–9] |
| Receiving CPAP for at least one day | 22 (100) | 24 (77) | 34 (79) | 42 (76) | 62 (90) | 80 (83) |
| Duration of CPAP in days, median [IQR] | 14 [7–23] | 7 [3–10] | 7 [4–11] | 6.5 [4–12] | 7 [3–12] | 5 [2.5–10] |
| Receiving HHHFNC for at least one day | 22 (100) | 25 (81) | 33 (77) | 49 (89) | 52 (75) | 60 (62.5) |
| Duration of HHHFNC in days, median [IQR] | 15.5 [9–23] | 20 [11–28] | 14 [11–22] | 13 [9–23] | 15.5 [8.5–21.5] | 8 [4–14.5] |
| Receiving low-flow nasal cannula for at least one day | 22 (100) | 25 (81) | 40 (93) | 52 (94.5) | 67 (98.5) | 92 (96) |
| Low-flow nasal cannula dwell time in days, median [IQR] | 18.5 [8–26] | 13 [5–23] | 9 [3–23.5] | 13 [5–21] | 11 [5–22] | 10.5 [5–18] |
Data are presented as numbers (percentages) unless otherwise stated. BPD, bronchopulmonary dysplasia; MV, mechanical ventilation; CPAP, continuous positive airway pressure; HHHFNC, heated humidified high-flow nasal cannula