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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