Efficiency of copy number variation sequencing combined with karyotyping in fetuses with congenital heart disease and the following outcomes

Table 1 Basic characteristics of study subjects

Characteristics	Isolated CHD		Non-isolated CHD	χ²	P
Characteristics	Single CHD	Compound CHD	Non-isolated CHD	χ²	P
Mean MA	28.57 ± 3.80	29.93 ± 4.30	28.28 ± 4.34
< 35	34	33	82	4.267	0.118
≥ 35	2	8	8	4.267	0.118
Mean GA(W)	24.83 ± 3.03	24.64 ± 2.86	23.45 ± 2.78
Parity history
Nulliparous	13	16	46	3.099	0.212
Parous	23	25	44	3.099	0.212
Pregnancy outcomes
Delivery	34	17	49	29.807	0.000
TOP*	2	24	41	29.807	0.000
Total	36	41	90

ISSN: 1755-8166