Table 1 Characteristics of study cohort.

From: Ultrasound-based radiomics technology in fetal lung texture analysis prediction of neonatal respiratory morbidity

Characteristic

Training set (n = 210)

Testing set (n = 85)

Maternal age (years)

31 ± 3.88

31 ± 4.23

GA at ultrasound (weeks)

28–37 (35 ± 2.42)

29–37 (35 ± 2.11)

Pregnancy complications (GDM or PE)

With

73 (34.76%)

25 (29.41%)

Without

137 (65.24%)

60 (70.59%)

Mode of delivery

Spontaneous vaginal

75 (35.71%)

52 (61.18%)

Cesarean

135 (64.29%)

33 (38.82%)

Birth weight (g)

3006 ± 562

3212 ± 616

Sex of newborn

Female

116 (55.24%)

51 (60.00%)

Male

94 (44.76%)

34 (40.00%)

5-min Apgar score

 ≤ 7

4 (1.90%)

3 (3.53%)

 > 7

206 (98.09%)

82 (96.47%)

Neonatal prognosis

No neonatal respiratory morbidity

159 (75.71%)

67 (78.82%)

Neonatal respiratory morbidity

51 (24.29%)

18 (21.18%)

TTN

35 (16.67%)

14 (16.47%)

RDS

16 (7.62%)

4 (4.71%)

NICU admission

51 (24.29%)

18 (21.18%)

  1. Data are presented as mean ± SD or n (%).
  2. GA gestational age, GDM gestational diabetes mellitus, PE pre-eclampsia, TTN transient tachypnea of the newborn, RDS respiratory distress syndrome, NICU neonatal intensive care unit.