Table 4 Respiratory support

Duration of endotracheal mechanical ventilation until presentation/corresponding age (days) (median (range))

7 (5-17)

7 (1-22)

p = 0.80**

Nasal respiratory support (CPAP, NIPPV, nHFO-CPAP) at presentation/corresponding age (n/N)

5/5

25/25

nHFO-CPAP at presentation/corresponding age (n/N)

2/5

0/25

p = 0.023*

Max. Peep at day of presentation/corresponding age (median (range; IQR))

6.5 (6-8; 6.2-7.6)

6 (4-8; 5.9-6.3)

p = 0.078**