Table 2.
Comparison of demographics, respiratory parameters, VA/Q and shunt in infants who survived to discharge compared to those who did not.
| Survived | Deceased | p value | |
|---|---|---|---|
| Number of infants | 53 (65) | 29 (35) | N/A | 
| LHR (%) | 23 (11–33) | 23 (14–35) | 0.552 | 
| Antenatal FETO procedure | 18 (34) | 10 (34) | 0.948 | 
| Male sex | 29 (55) | 15 (52) | 0.486 | 
| Gestation (weeks) | 38.1 (35.2–39.1) | 36.8 (34.2–39.0) | 0.308 | 
| Birth weight (kg) | 2.77 (2.26–3.22) | 2.65 (1.94–2.97) | 0.181 | 
| Apgar score at 5 min | 8 (7–9) | 6 (3–8) | 0.001 | 
| Left-sided hernia | 43 (81) | 26 (90) | 0.933 | 
| Liver up | 9 (17) | 4 (14) | 0.555 | 
| HFO | 14 (26) | 26 (90) | <0.001 | 
| Nitric oxide | 23 (43) | 29 (100) | <0.001 | 
| VA/Q in the first 24 h | 0.28 (0.19–0.37) | 0.09 (0.07–0.12) | <0.001 | 
| Shunt (%) in the first 24 h | 9 (4–16) | 11 (2–20) | 0.646 | 
Data are presented as median (interquartile range) or number (percentage). Mann– Whitney U or Chi-square test as appropriate.
LHR lung-to-head ratio, FETO foetal endoscopic tracheal occlusion, HFO high-frequency oscillation, N/A not applicable.