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Table 2 Patients’ characteristics

From: Incidence and risk factors of neonatal hypoglycemia after ritodrine therapy in premature labor: a retrospective cohort study

Cases (n) 603
Maternal age (years) 33 (17 – 47)
Maternal height (cm) 159.0 (140.0 – 177.0)
Pre-pregnancy BMI (kg/m2) 20.3 (14.2 – 38.1)
Maternal weight gain (kg) 9.8 (−10.3 – 22.0)
Birth weight (g) 2904 (2002 – 4336)
Gestational age (wk/day) 38/3 (36/0 – 41/6)
Twin birth (n) 54 (9.0)
Maternal underlying diseases (n) 261 (43.3)
Maternal diabetes (n) 26 (4.3)
Oral administration of RD (n) 85 (14.1)
Intravenous administration of RD (n) 94 (15.6)
Administration of magnesium sulfate (n) 17 (2.8)
  1. Data are expressed as median (min-max) or number (%)
  2. BMI Body mass index, RD Ritodrine hydrochloride