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. 2026 Mar 26;13:1752714. doi: 10.3389/fmed.2026.1752714

Table 2.

Comparison of numerical characteristics of participants by mode of delivery (n = 298).

Variables Vaginal delivery (n = 249) Emergency cesarean delivery (n = 49) t p
X¯ SD X¯ SD
Age (years) 25.89 4.79 26.49 6.18 −0.765 0.445
Pre-pregnancy BMI (kg/m2) 24.13 4.15 26.48 4.80 −3.532 0.000
BMI at delivery (kg/m2) 28.51 4.28 32.07 5.04 −5.153 0.000
Gestational weight gain (kg) 11.53 5.53 14.33 5.67 −3.225 0.001
Serum 25(OH)D level (nq/mL) 11.58 4.98 6.84 3.63 6.332 0.000
Birth week 38.90 1.52 38.06 2.22 3.240 0.001
Newborn birth weight (g) 3111.96 404.55 3035.10 526.73 1.152 0.250
Number of NSTs performed during pregnancy 4.77 4.48 4.12 3.66 0.952 0.342
Number of antenatal physician visits 7.79 4.22 9.71 7.69 −2.491 0.013

25(OH)D, 25-hydroxyvitamin D; BMI, body mass index; NSTs, non-stress tests. p < 0.05.