Construction of machine learning tools to predict threatened miscarriage in the first trimester based on AEA, progesterone and β-hCG in China: a multicentre, observational, case-control study

Table 2 The clinical data and hormonal detection between ongoing pregnancy and inevitable miscarriage groups

Item	Threaten Miscarriages (n = 96)		P value
Item	ongoing pregnancy group (n = 58) (Median with IQR)	inevitable miscarriage group (n = 38) (Median with IQR)	P value
Age	29 (27–32)	29 (25–32)	0.237
BMI (kg/m²)	19.78 (18.34–22.89)	20.76 (19.50–25.14)	0.098
AEA (nM)	1.12 (0.69–1.54)	1.26 (0.86–1.97)	0.219
P4 (ng/mL)	20.59 (15.21–24.58)	15.91 (10.27–21.01)	0.0062
β-hCG (mIU/mL)	13,738 (3827–53,735)	19,941 (3586–82,214)	0.655

IQR Interquartile range, BMI Body mass index, AEA Anandamide, P4 Progesterone, β-hCG Human chorionic gonadotrophin

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