Group 1

Ventilator

(N = 29)

Group 2

CPAP

(N = 33)

Group 3

headbox

(N = 28)

Chi-Square Test/One-Way ANOVA

X2/f*

P-value

Gender

Female

7 (24.1%)

13 (39.4%)

15 (53.6%)

5.199

0.074

Male

22 (75.9%)

20 (60.6%)

13 (46.4%)

GA (weeks)

Mean ± SD

31.28 ± 2.28

32.85 ± 1.70

33.82 ± 0.39

16.973

<0.001

Mode of

Delivery

C.S (N = %)

24 (82.8%)

24 (72.7%)

24 (85.7%)

1.8

0.407

N.V.D (N = %)

5 (17.2%)

9 (27.3%)

4 (14.3%)

Weight (kg)

Mean ± SD

1.84 ± 0.53

1.90 ± 0.35

2.38 ± 0.29

15.132

<0.001

Length (cm)

Mean ± SD

41.63 ± 2.92

43.12 ± 2.03

44.66 ± 1.37

13.530

<0.001