Table 3 Descriptive statistics of maternal and fetal attributes and comparison of birthweight with antenatal markers via Welch’s one-way ANOVA.

From: Prediction of birthweight with early and mid-pregnancy antenatal markers utilising machine learning and explainable artificial intelligence

Maternal features

Welch’s ANOVA test

Attributes

Mean ± SD

F

p-value

Maternal height (cm)

155 ± 6.48

10.71

0.003*

Maternal BMI (kg/m2)

23.1 ± 3.97

1.54

0.258

 

Median IQR

  

Age (years)

29 [27, 32]

1.07

0.379

Weight  (kg)

55 [47, 62]

10.72

0.003*

Hb (g/dl)

11.4 [12.3, 12.9]

0.60

0.565

HbA1C (%)

5.2 [5, 5.4]

0.83

0.458

TSH (μIU/mL )

1.73 [1.22, 2.75]

2.19

0.146

PAPP-A (MoM)

1.1 [0.81, 1.64]

4.61

0.036*

Ultrasound fetal features

  

FTAS

Median IQR

CRL (mm)

61[55.6, 65.1]

1.35

0.302

NT (mm)

1.3[1.1, 1.5]

4.01

0.036*

MTAS

Median IQR

  

BPD (mm)

46 [48, 48]

0.09

0.916

HC (mm)

172 [166,178]

0.10

0.902

FL (mm)

31 [30, 33]

0.57

0.587

EFW (g)

314 [288, 353]

0.02

0.980

 

Mean ± SD

  

Fetal AC (mm)

147 ± 11.5

0.19

0.832

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