Table 5. Prognosis of ACHD requiring USH.

	Total (n=145)	Arrhythmia (n=60)	Heart failure (n=29)	Infection (n=18)	Hemorrhage (n=18)	Neurological (n=5)	Others (n=15)
Hospital stay (days)	23	24	35	27	16	19	11
Death during hospital stay, n (%)	4 (3)	2 (3)	2 (7)
Follow up period after discharge (years)	2.6	2	2.4	2.2	2.9	3.7	3.3
Readmission, n (%)	48 (35)	18 (32)	16 (59)	3 (17)	7 (39)	1 (20)	3 (20)
Death during study period, n (%)	13 (9)	3 (5)	8 (30)		1 (6)		1 (7)

ACHD: adult patients with congenital heart disease, UEH: unexpected hospitalization