Establishment of a nomogram model to predict macrosomia in pregnant women with gestational diabetes mellitus

Table 1 Comparison of clinical data between the macrosomia group and the nonmacrosomia group in the training set (N = 626)

Variables	Nonmacrosomia n = 543	Macrosomia n = 83	P
Age, years	33.01 ± 4.47	33.11 ± 4.90	0.858
Prepregnancy BMI, kg/m2	23.20 ± 3.52	24.47 ± 3.40	0.002
Number of pregnancies	2.28 ± 1.27	2.23 ± 1.18	0.723
Parity	0.56 ± 0.57	0.54 ± 0.55	0.771
Gestational age at delivery, weeks	38.16 ± 1.72	38.54 ± 1.51	0.057
Weight gain during pregnancy, kg	13.00 ± 4.68	14.70 ± 4.73	0.002
Fasting plasma glucose (FPG), mmol/L	5.03 ± 0.55	5.33 ± 0.77	0.001
1 h 75 g glucose level, mmol/L	9.72 ± 1.62	9.95 ± 3.91	0.594
2 h 75 g glucose level, mmol/L	8.15 ± 1.45	8.01 ± 2.46	0.610
Triglycerides (TG), mmol/L	3.33 ± 1.62	4.02 ± 1.69	< 0.001
Total cholesterol (TC), mmol/L	6.11 ± 1.17	6.15 ± 1.20	0.756
Umbilical artery blood velocity (S/D)	2.19 ± 0.36	2.12 ± 0.32	0.087
Biparietal diameter (BPD), cm	9.26 ± 0.46	9.59 ± 0.42	< 0.001
Resistance index (RI)	0.53 ± 0.07	0.52 ± 0.08	0.035
Pulsatility index (PI)	0.78 ± 0.18	0.73 ± 0.14	0.016
Head circumference (HC), cm	32.79 ± 1.34	33.79 ± 1.67	< 0.001
Femur length (FL), cm	7.06 ± 0.39	7.27 ± 0.40	< 0.001
Amniotic fluid index (AFI), cm	12.51 ± 3.42	14.31 ± 3.92	< 0.001
Whether the menstrual cycle is regular, n (%)
Yes	479	74	0.803
No	64	9	0.803
Diabetes in first degree relatives, n (%)
Yes	57	9	0.924
No	486	74	0.924
History of abortion, n (%)
Yes	266	42	0.784
No	277	41	0.784