Skip to main content

Table 1 Characteristics of 322 surfactant treated neonates born before 32 weeks gestation, 1998–2010

From: Predictors for an unsuccessful INtubation-SURfactant-Extubation procedure: a cohort study

Characteristics

Study population (n = 322)

Treatment group, n (%)1

 

 INSURE success

100 (31)

 INSURE failure

33 (10)

 Short MV

31 (10)

 Long MV

158 (49)

Duration of intubation at surfactant, median (IQR), h1

 

 INSURE success

0.3 (0–0.5)

 INSURE failure

0.5 (0–0.7)

 Short MV

15.4 (8.0–19.7)

 Long MV

57.3 (33.5–114.2)

Gestational age, n (%)1

 

 <26 + 0 weeks

70 (22)

 26 + 0 – 27 + 6 weeks

92 (29)

 28 + 0 – 29 + 6 weeks

102 (32)

 30 + 0 – 31 + 6 weeks

58 (18)

Birth weight, n (%)1

 

 <750 g

53 (17)

 750–999 g

104 (32)

 1000–1249 g

80 (25)

 ≥1250 g

84 (26)

Small for gestational age, n (%)1

134 (42)

Gender, n (%), male1

190 (59)

Temperature at admission to NICU, mean (SD), °C2

36.1 (0.9)

Parity, n (%)1

 

 Nulliparous

190 (61)

 Primiparous

85 (27)

 Multiparous

37 (12)

Multiple pregnancies, n (%)1

 

 Singletons

187 (58)

 Twins

119 (37)

 Triplets

16 (5)

Antenatal steroids, n (%)1

285 (90)

Cesarean delivery, n (%)1

214 (66)

Preeclampsia, n (%)2

59 (20)

Prolonged rupture of membranes >18 hours, n (%)2

26 (9)

Maternal age at delivery, mean (SD), years1

29.9 (4.7)

  1. Abbreviations: h, hours; IQR, interquartile range; long MV, mechanical ventilation for more than 24 hours; NICU, neonatal intensive care unit; short MV, mechanical ventilation for less than 24 hours.
  2. Percentage of missing values for each characteristic: 1≤ 5%, and 2≤ 10%.