Administration of surfactant as rescue therapy
| Gestational age (weeks) | <24 | 24–26 | 27–29 | 30–32 |
|---|---|---|---|---|
| n | 6 | 45 | 69 | 116 |
| Vent (%) | 6 (100) | 41 (91) | 45 (65) | 25 (22) |
| ACS+ (%) | 4 (67) | 41 (91) | 56 (81) | 80 (69) |
| ACS+, Vent, Surf+ (% of ACS+) | 2/4 (50) | 27/41 (66) | 28/56 (50) | 11/80 (14) |
| ACS−, Vent, Surf+ (% of ACS−) | 2/2 (100) | 2/4 (50) | 9/13 (69) | 3/36 (8) |
| ACS+, Vent, Surf− (% of ACS+) | 2/4 (50) | 11/41 (27) | 7/56 (13) | 6/80 (7) |
| ACS−, Vent, Surf− (% of ACS−) | 0/2 (0) | 1/4 (25) | 1/13 (8) | 5/36 (14) |
Denominator in last four rows refers to ACS status.
ACS+ = received antenatal corticosteroids; Vent = mechanical ventilation; ACS−= no antenatal corticosteroids; Surf+ = received rescue surfactant; Surf− = did not receive surfactant.