Table 2.

Delivery Room Management Data

	VLGAI		29- to 31-wk stratum		ELGAI
	Period 1 N = 91	Period 2 N = 72	Period 1 N = 43	Period 2 N = 30	Period 1 N = 48	Period 2 N = 42
SImax, s (median) [1st Qu; 3rd Qu]	2 [2–2]	5 [3–10]	2 [2–2]	5 [3–10]	2 [2–2]	10 [5–10]
PEEPmax, cmH2O (median) [1st Qu; 3rd Qu]	5 [5–5]	8 [5–10]	5 [5–5]	8 [5–10]	5 [5–5]	10 [7–11]
5 min Apgar score < 5, n (%)	7 (8)	1 (1)	3 (7)	0 (0)	4 (8)	1 (2)
10 min Apgar score < 5, n (%)	1 (1)	1 (1)	0 (0)	0 (0)	1 (2)	1 (2)
Intubation in the delivery room, n (%)	68 (75)	26 (36)*##	25 (58)	7 (23) *##	43 (90)	19 (55)*##
Adrenaline administration, n (%)	7 (8)	1 (1)	4 (9)	0 (0)	3 (6)	1 (2)
Chest compressions, n (%)	5 (6)	1 (1)	5 (12)	0 (0)	0 (0)	1 (2)
Surfactant administration, n (%)	29 (32)	9 (13) *##	3 (7)	4 (13)	26 (54)	5 (12) *##

VLGAI: very low gestational age infants < 32 weeks; ELGAI: extremely low gestational age infants < 29 weeks; SImax: maximal sustained inflation; PEEPmax: maximal positive end-expiratory pressure; *##: p and adjusted p < 0.01