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Table 1 Baseline perinatal and clinical characteristics of groups at randomisation (n (%) or median (IQR) unless specified)

From: Randomised controlled trial of weaning strategies for preterm infants on nasal continuous positive airway pressure

 

Group 1

Group 2

Group 3

Group 4

p

(n = 15)

n = 15

n = 15

n = 15

Mean gestation (sd)

27.7 (1.5)

27.1 (1.8)

27.5 (1.3)

27.7 (1.1)

0.6

Mean birthweight - g (sd)

1027 (229)

945 (211)

975 (280)

1010 (282)

0.8

Complete corticosteroids

12 (80 %)

9 (60 %)

8 (53 %)

13 (87 %)

0.1

Mother in labour

7 (47 %)

6 (40 %)

7 (47 %)

6 (40 %)

0.9

Caesarean

14 (93 %)

11 (73 %)

12 (80 %)

12 (80 %)

0.5

Chorioamnionitis

6 (40 %)

4 (27 %)

4 (27 %)

4 (27 %)

0.6

Male

4 (26 %)

5 (33 %)

9 (60 %)

7 (47 %)

0.3

Mechanical ventilation

15 (100 %)

14 (93 %)

14 (93 %)

13 (87 %)

0.5

Surfactant

14 (93 %)

13 (87 %)

14 (93 %)

14 (93 %)

0.9

Diuretics

5 (33 %)

2 (13 %)

4 (27 %)

2 (13 %)

0.4

Grade 2 apnea (required IPPV)

1 (7 %)

2 (13 %)

3 (20 %)

2 (13 %)

0.8

Caffeine

15 (100 %)

15 (100 %)

15 (100 %)

15 (100 %)

 

Full enteral feeds

10 (67 %)

10 (67 %)

9 (60 %)

8 (53 %)

0.9

NEC

1 (7 %)

1 (7 %)

1 (7 %)

0

0.5

Treated ductus arteriosus

5 (33 %)

10 (67 %)

7 (47 %)

4 (27 %)

0.1

Intraventricular haemorrhage

5 (33 %)

3 (20 %)

4 (27 %)

1 (7 %)

0.5

Late onset sepsis

1 (7 %)

4 (27 %)

4 27(%)

5 (33 %)

0.3

Nasal trauma

1 (7 %)

1 (7 %)

0 (0 %)

1 (7 %)

0.4

Corrected gestation

30.3

30.6

32.1

30.0

0.3

(29.4, 33.0)

(29.4, 32.1)

(29.9, 34.7)

(27.9, 32.6)

Mean weight - g (sd)

1218 (170)

1253 (294)

1342 (312)

1139 (318)

0.3