Table 2. Comparison of clinical manifestations and hospitalization data.

Variables	Prenatal diagnostic group	Postnatal diagnostic group	P value*
Admission weight (g)	2,200 (1,800–2,436)	2,400 (1,900–2,600)	0.144
Admission age (days)	0 (0–5.5)	7 (5–16)	<0.001*
Intolerance to feeding	9 (18.8%)	6 (19.4%)	0.947
Cyanosis	29 (60.4%)	15 (48.4%)	0.293
EUGR	4 (8.3%)	2 (6.5%)	1.000
Cardiac murmur	29 (60.4%)	22 (71.0%)	0.338
Heart function grades	2 (2–4)	2 (2–4)	0.455
Treatment modalities			0.659
Surgery inventions	21 (43.8%)	12 (38.7%)
Conservative treatment	20 (41.7%)	12 (38.7%)
Abandon treatment	7 (14.6%)	7 (22.6%)
Hospitalization cost (yuan)	82,241.48 (27,997.58–170,333.44)	37,546.81 (15,949.65–104,228.06)	0.008*
Extra-cardiac malformations	11 (22.9%)	3 (9.7%)	0.132
Length of hospital stay (days)	21 (9.5–32.75)	12 (6–25)	0.023*
Death during hospital stay	9 (18.8%)	5 (16.1%)	0.766

Data are presented as n (%) or median (range). *, P<0.05, indicating that there was significant difference between the two groups. EUGR, extrauterine growth retardation.