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Table 1 Demographic data and general characteristics in our study

From: Predictive value of aberrant right subclavian artery for fetal chromosome aneuploidy in women of advanced maternal age

  AMA non-AMA Total
Case 2860 10,830 13,690
Maternal age (y) 38.3 ± 3.48 27.1 ± 4.15 32.1 ± 4.71
Gestinatal age (w) 24 ± 2.11 26 ± 3.75 25 ± 3.43
Chromosomal abnormalities 1.29% (37/2860) 0.60% (65/10,830) 0.75% (102/13,690)
ARSA positive 0.87% (25/2860) 0.65% (70/10,830) 0.69% (95/13,690)
Isolated ARSA 60.00% (15/25) 68.57% (48/70) 66.32% (63/95)
Combined anomaly 35.13% (10/25) 31.43% (22/70) 33.68% (32/95)
 Intracardiac malformation 12% (3/25) 7.14% (5/70) 8.42% (8/95)
 Extracardiac malformation 12% (3/25) 11.43% (8/70) 11.58% (11/95)
 Both 16% (4/25) 12.86% (9/70) 13.68% (13/95)
ARSA with Chromosomal abnormalities 20% (5/25) 10% (7/70) 12.63% (12/95)
ARSA negtive with Chromosomal abnormalities 1.13% (32/2835) 0.54% (58/10760) 0.66% (90/13595)
  1. ARSA Aberrant right subclavian artery, AMA Advanced maternal age, non-AMA appropriate maternal age
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