Maternal Plasma and Amniotic Fluid Chemokines Screening in Fetal Down Syndrome

Table 1

Clinical characteristics of the patients.

	Group I: Down syndrome pregnancies; ()	Group II: pregnancies without Down syndrome; ()
Maternal age; (median ± SD)	37.14 ± 9.335	33.21 ± 8.192
Number of pregnancies; (median ± SD)	1.143 ± 0.899	1.214 ± 1.051
Gestational age at collecting of samples in weeks; (median ± SD)	15.77 ± 0.834	16.64 ± 0.99

SD: standard deviation.