Table 1 Comparison of general characteristics between VTE and non-VTE delivery women age ≥ 35(x ± SD)
VTE (n = 30) | Non-VTE (n = 12,421) | t value | P value | |
|---|---|---|---|---|
Age (years) | 38.10 ± 2.23 | 37.31 ± 2.29 | 1.893 | .058 |
Height (cm) | 161.13 ± 5.76 | 160.57 ± 4.71 | 0.650 | .516 |
BMI before pregnancy | 21.65 ± 2.96 | 21.05 ± 2.91 | 1.139 | .255 |
BMI before delivery | 26.70 ± 2.80 | 26.50 ± 2.99 | 0.363 | .717 |
Gain weight during pregnancy (kg) | 13.07 ± 3.19 | 14.04 ± 4.94 | −1.067 | .286 |
Gestational age at delivery (weeks) | 37.83 ± 2.26 | 37.99 ± 1.95 | −0.447 | .655 |
Neonatal birth weight(g) | 3114.67 ± 558.19 | 3203.16 ± 604.89 | −0.800 | .423 |
Laboratory test results within postpartum 24 h | ||||
D-dimer (mg/L) | 8.91 ± 6.16 | 4.55 ± 4.31 | 3.870 | .001 |
Fibrinogen (g/L) | 4.37 ± 0.85 | 4.63 ± 0.81 | −1.706 | .088 |
Platelet count (10^9/L) | 172.00 ± 40.50 | 187.82 ± 53.53 | −1.590 | .112 |