Table 1.

Patient and maternal demographics, neonatal characteristics at the time of extubation

	All infants n=108	Extubation Success Group, n=90 (83%)	Extubation Failure Group, n=18 (17%)	P values
Gestational age, weeks	26.2±1.4	26.3±1.3	25.5±1.4	0.02
Birth weight, g	742±166	750±168	703±159	0.29
Complete course of antenatal steroids*	50 (46)	42 (47)	8 (44)	1
5 min Apgar Score	8 (2-9)	7 (2-9)	8 (4-9)	0.50
SGA	31 (29)	27 (30)	4 (22)	0.58
Male	47 (44)	35 (39)	12 (67)	0.04
Premature rupture of membranes>12 hours	38 (35)	29 (32)	9 (50)	0.18
Delivery by caesarean section	82 (76)	69 (77)	13 (72)	0.76
Extubation weight, g	739±149	741±154	732±142	0.82
Extubation attempt, days	4 (1–53)	4 (1–53)	5 (1–19)	0.95
Postnatal age at extubation, weeks	27.2 (24–32)	27.2 (24–32)	26.3 (25–30)	0.31

Values expressed as mean±SD, median (range) and number (per cent).

*A complete course of antenatal steroids was defined as two doses of betamethasone administered more than 24 hours but no more than 7 days before delivery.

SGA, small for gestational age.