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Table 2 Comparison of the impact of disease type, age and sex on the mortality

From: Characteristics of in-hospital mortality of congenital heart disease (CHD) after surgical treatment in children from 2005 to 2017: a single-center experience

Different classifications

Death

(N)

Alive

(N)

Mortality

(%)

z-test*

(Bonferroni method)

Chi-Square

and P value

Disease classification

Left to right shunt CHD

82

11,731

0.69

a

χ2 = 520.3

P < 0.05

Left obstructive lesion CHD

47

999

4.49

b

Right to left shunt CHD

146

4018

3.51

b

Complex mixed defect CHD

165

1748

8.63

c

Periods

Neonatal period

129

931

12.17

a

χ2 = 529.3

P < 0.05

Infant period

218

8229

2.58

b

Toddler age

47

3993

1.16

c

Preschool age

30

3162

0.94

c

School age and adolescence

20

2355

0.84

c

Male or female

Male

325

11,426

2.77

a

χ2 = 26.4

P < 0.05

Female

119

7244

1.62

b

  1. * Each letter denotes a subset of Group categories whose column proportions do not differ significantly from each other at the .05 level