Research Article

UHPLC-MS/MS-Based Metabolomics and Clinical Phenotypes Analysis Reveal Broad-Scale Perturbations in Early Pregnancy Related to Gestational Diabetes Mellitus

Table 1

Demographic and clinical characteristics of the GDM group and the control group.

CharacteristicGDM groupControl group value

Number ()6090
Maternal age (mean ± SD, years)30.8 ± 4.030.4 ± 2.60.86
Embryonic age at collection (mean ± SD, weeks)9.7 ± 1.810.2 ± 1.80.08
Nationality0.42
 Han56 (93)87 (97)
 Manchu2 (3)2 (2)
 Hui1 (2)0
 Ewenki1 (2)0
 Korean0 (0)1 (1)
Pre-pregnancy BMI (mean ± SD, kg/m2)25.1 ± 4.022.4 ± 4.1<0.01
 Low0 (0)8 (9)
 Normal28 (47)55 (61)
 Overweight32 (53)27 (30)
Parity0.59
 Primipara32 (53)44 (49)
 Multiparas28 (47)46 (51)
Family history of diabetes0.14
 Yes11 (18)9 (10)
 No49 (82)81 (90)
Infant gender0.64
 Male35 (58)49 (54)
 Female25 (42)41 (46)
Infant birth weight (mean ± SD, g)3481.1 ± 617.73345.1 ± 514.20.03
Infant length (mean ± SD, cm)50.0 ± 2.149.7 ± 1.40.07

Data are presented as mean ± SD or participant numbers (%), unless otherwise specified. values were calculated by hypothesis testing. For continuous variables, the distribution of the variable was first assessed by the Shapiro-Wilk test. Bilateral Student’s-test was used for normally distributed data, while the Mann–Whitneytest was used for nonparametric data. For categorical variables, values were calculated using the chi-square test.