Table 1.

Demographic and clinical characteristics

Variable	Overall	0-5 years (n = 145)	6-10 years (n = 36)	11-15 years (n = 13)
Gender
Male (%)	83 (42.8)	65 (44.8)	14 (38.9)	4 (30.8)
Female (%)	111 (57.2)	80 (55.2)	22 (61.1)	9 (69.2)
Classification of heart disease
Cyanotic (%)	56 (28.9)	39 (26.9)	13 (36.1)	4 (30.8)
Acyanotic (%)	138 (71.1)	106 (73.1)	23 (63.9)	9 (69.2)
Heart disease surgically corrected
Yes (%)	4 (2.1)	2 (1.4)	1 (2.8)	1 (7.7)
No (%)	190 (97.9)	143 (98.6)	35 (97.2)	12 (92.3)
Heart failure
Moderate/ Severe Heart failure (%)	78 (40.2)	58 (40.0)	16 (44.4)	4 (30.8)
Mild/ no Heart failure (%)	116 (59.8)	87 (60.0)	20 (55.6)	9 (69.2)
Anaemia
Moderate/ Severe anaemia (%)	68 (35.6)	58 (40.8)	8 (22.2)	2 (15.4)
Mild/ No Anaemia (%)	123 (64.4)	84 (59.2)	28 (77.8)	11 (84.6)