Table 4. Characteristics of the fetuses, assigned to two subgroups according to the association of PH with CHD.

	CHD and no PH (n = 104)	CHD and PH (n = 15)
Male	60 (58)	10 (67)
Gestational age (wks)	27.0 (24.0–32.0)	25.0 (22.0–29.5)
BW (g)	965 (557–1715)	580 (225–1905)
LW (g)	23.55 (13.35–32.90)	2.50 (1.65–13.64)**
LW/BW	0.023 (0.019–0.028)	0.007 (0.005–0.010)**
LW/BW (% of expected)	93.1 (77.3–107.8)	30.7 (20.1–38.1)**
Chromosomal abnormality	12/93 (13)	5/13 (38)*
Any associated extracardiac abnormality	68 (65)	12 (80)
IUGR	11 (11)	2 (13)
Renal hypoplasia	7 (7)	2 (13)
Omphalocele	3 (3)	1 (7)
Thoracic dystrophy	1 (1)	0 (0)
Hydrothorax	0 (0)	1 (7)
Right outflow obstruction	33 (32)	9 (60)*
Left outflow obstruction	42 (40)	4 (27)
TGA	9 (9)	0 (0)
Other CHDs	20 (19)	2 (13)

Values are medians (IQR) or n (% of each subgroup). BW: body weight; LW: lung weight.

*P value<0.05;

**P value<0.0001.