Table 1. Demographic data of the children with congenital heart disease.

Variables	n	F (%)
Gender
Male	13	59.1
Female	9	40.9
Age (months)
2–20	13	59.1
21–40	5	22.7
41–60	4	18.2
Residence
City	8	36.4
County	14	63.6
Only child
Yes	17	77.3
No	5	22.7
CHD type
VSD	8	36.4
ASD	5	22.7
PDA	5	22.7
TOF	4	18.2

Abbreviations: congenital heart disease (CHD), ventricular septal defects (VSD), atrial septal defects (ASD), tetralogy of Fallot (TOF), patent ductus arteriosus (PDA).