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Table 1 Baseline characteristics of pregnancy between the group of high level, low level of inhibin A and normal group

From: A cohort study of the association between maternal serum Inhibin-A and adverse pregnancy outcomes: a population-based study

  Low IHA (N = 275) Normal IHA (N = 4600) High IHA (N = 205) P value
Age (year) (mean ± SD) 27.20 ± 5.03 28.32 ± 14.48 29.43 ± 5.84 0.212
Body Weight (kg) (mean ± SD) 56.38 ± 12.28 57.38 ± 11.25 57.84 ± 11.67 0.300
Body mass index (kg/m2) (mean ± SD) 22.77 ± 4.43 23.21 ± 4.28 23.46 ± 4.32 0.170
Parity     0.450
 Nulliparity (n) (%) 108 (39.3%) 1978 (43.0%) 90 (43.9%)
 Multiparity (n) (%) 167 (60.7%) 2618 (57.0%) 115 (56.1%)
Socioeconomic statusa     0.470
 Low (n) (%) 183 (66.5%) 3222 (70.0%) 143 (69.8%)
 High (n) (%) 92 (33.5%) 1378 (30.0%) 62 (30.2%)
Smoking     0.587
 Non-smoker (n) (%) 270 (99.6%) 4539 (99.8%) 195 (100%)
 Smoker (n) (%) 1 (0.4%) 7 (0.2%) 0 (0%)
Gestational age at screening (mean ± SD) 15.38 ± 1.53 15.56 ± 2.08 15.44 ± 2.27 0.306
Gestational age at delivery (mean ± SD) 38.36 ± 1.34 38.30 ± 1.86 38.09 ± 2.34 0.243
  1. aBased on their occupations; IHA Inhibin-A