Table 3 Patients with cyanosis: Eisenmenger's syndrome versus non‐Eisenmenger's syndrome.

	non‐Eis	Eis	p Value
n	138	231
Median (Q1–Q3) age	28 (22–35)	30 (24–38)	0.075
Females, n (%)	81 (59%)	148 (64%)	0.179
Oxygen saturation at rest, median (Q1–Q3)	84 (79–88)	82 (78–87)	0.095
History of major bleeding, n (%)	4 (3%)	37 (17%)	<0.001
Haemoptysis, n	3	28
Intracranial haemorrhage, n	1	0
Others, n	0	9
History of thromboembolism, n (%)	11 (8%)	29 (13%)	0.224

Eis, Eisenmenger's syndrome; Q1–Q3, 1st–3rd quartiles.