TABLE 3.

The demographic characteristics of patients.

Variables	NBPD	BPD	P value
Study population (N)	14	12
Maternal age (years)	30.5 ± 3.2	29.6 ± 2.9	0.453
Gestational age (weeks)	31.4 ± 2.3	29.9 ± 1.0	0.032
Maternal BMI	20.5 ± 2.8	23.3 ± 3.9	0.047
Sex ratio (M/F)	10/4	4/8	0.052
Birth weight (kg)	1.7 ± 0.6	1.1 ± 0.3	0.002
Birth length (cm)	41.9 ± 5.7	37.4 ± 2.6	0.021
Head circumference (cm)	29.1 ± 2.5	26.7 ± 1.8	0.011
Apgar score	9.7 ± 0.5	9.3 ± 0.9	0.200