Skip to main content

Table 1 Patient general characteristics of total study cohort with delivery details and stratified according to birth weight percentile category in oAGA reference group and sAGA group

From: Reduced fetal growth velocities and the association with neonatal outcomes in appropriate-for-gestational-age neonates: a retrospective cohort study

Characteristic Total cohort AGA (n = 934) Optimal AGA (oAGA) Bwp50–80 (n = 365) Suboptimal AGA (sAGA) Bwp10–50 (n = 569) P
Maternal age (years) 31.6 ± 5.1(17–55) 31.6 ± 5.1 (17–55) 31.5 ± 5.1 (17–45) 0.816
Primiparous (%) 412 (44.4%) 160 (44.2%) 252 (44.6%) 0.904
Smoking (%) 89(11.8%) 27 (9.2%) 62 (13.6%) 0.067
Height (m) 1.67 ± 0.07(1.45–1.86) 1.68 ± 0.07(1.49–1.86) 1.67 ± 0.07 (1.45–1.86) 0.362
BMI (kg/m2) 25.0 ± 5.7(15.7–48.5) 25.5 ± 5.5(16.7–48.3) 24.7 ± 5.9 (15.7–48.5) 0.164
Mode of conception
 spontaneous 775 (91.7%) 335 (91.8%) 529 (93.0%) 0.501
 Iui 13(1.5%) 4 (1.1%) 9 (1.6%) 0.536
 Icsi 25(3.0%) 8 (2.2%) 17 (3.0%) 0.462
 Ivf 19(2.2%) 9 (2.5%) 10 (1.8%) 0.454
 Ovulation induction 13(1.5%) 9 (2.5%) 4 (0.7%) 0.025
GA at birth (days) 271.5 ± 12.8(212–295) 271.0 ± 13.7(212–295) 271.8 ± 12.2(215–295) 0.350
GA <34wks (n) 23 (2.5%) 13(3.6%) 10 (1.8%) 0.088
GA 34-36wks (n) 40(4.3%) 15(4.1%) 25(4.4%) 0.870
GA >36wks (n) 871(93.3%) 337 (92.3%) 534 (93.8%) 0.423
Birth weight (g) 3191.55 ± 450.6(1353–4125) 3425.4 ± 421.6(1440–4125) 3041.5 ± 402.3 (1353–3818) < 0.001
Induction of labour (yes) 205 (21.9%) 89 (24.4%) 116 (20.3%) 0.168
Mode of delivery
 Spontaneous vaginal 722 (77.3%) 278 (76.2%) 444 (78.0%) 0.522
 Assisted vaginal 124 (13.3%) 47 (12.9%) 77 (13.5%) 0.843
 Intrapartum caesarean 32 (3.4%) 17 (3.0%) 15 (4.1%) 0.363
 Prelabour caesarean 56 (6.0%) 25 (6.8%) 31 (5.4%) 0.399
  1. Data are expressed as mean ± standard deviation (min-max) or n (%). BMI body mass index, GA gestational age