Down syndrome child with multiple heart diseases: A case report

Table 1 Basic characteristics of included studies evaluated not suitable for surgery

Ref.	Case	Not suitable for surgery (%)	Death without surgery (%)
Liu et al[22], 2015	77	17 (22.1)	5 (6.5)
Gu et al[5], 2016	96	38 (39.6)	4 (4.2)
Xu et al[23], 2019	30	0 (0)	0 (0)
Guo et al[24], 2015	25	0 (0)	0 (0)
Zahari et al[25], 2019	414	270 (65.1)	37 (9.0)
Evans et al[26], 2014	4231	2200 (52.4)	85 (1.9)
Baban et al[27], 2020	859	245 (28.5)	34 (4.0)
Aziz et al[28], 2020	18	6 (33.3)	-
Santos et al[29], 2019	139	48 (34.5)	10 (6.8)
Dias et al[30], 2016	102	-	3 (2.9)