Table 2 The univariate analysis of risk factors of preterm SGA infants (continuous variables)
Risk factors | SGA Median(quartile) | Non-SGA Median(quartile) | P value |
|---|---|---|---|
Maternal age | 24.00 (22.00–27.00) | 24.00 (22.00–27.50) | 0.571 |
Maternal height (meter) | 159.00 (156.00–161.00) | 160.00 (156.00–162.00) | 0.081 |
Maternal weight (kilogram) | 52.00 (48.00–56.00) | 52.00 (49.00–57.00) | 0.027 |
Maternal BMI before LMP (kg/m2) | 20.32 (18.89–22.31) | 20.70 (19.38–22.38) | 0.063 |
Maternal red blood cell count (109/L) | 4.22 (3.90–4.51) | 4.13 (3.80–4.48) | 0.005 |
Maternal eosinophil percentage | 2.00 (0.73–3.48) | 1.10 (0.10–2.50) | 0.017 |
Maternal blood glucose level (mmol/L) | 4.90 (4.39–5.50) | 4.82 (4.30–5.30) | 0.018 |
Paternal height (meter) | 170.00 (168.00–173.25) | 171.00 (169.00–175.00) | 0.031 |