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Observational Study
Copyright: ©Author(s) 2026.
World J Clin Pediatr. Jun 9, 2026; 15(2): 118127
Published online Jun 9, 2026. doi: 10.5409/wjcp.v15.i2.118127
Table 1 Socio-demographic characteristics of participants, n (%)
Socio-demographics
Heart disease (n = 70)
Controls (n = 70)
Total
χ2
P value
Age group (years)
7-925 (35.7)25 (35.7)50 (35.7)0.0001.000
10-1229 (41.4)29 (41.4)58 (41.4)
13-1616 (22.9)16 (22.9)32 (22.9)
mean ± SD10.47 ± 2.710.52 ± 2.70.0190.995
Sex
Female37 (52.9)37 (52.9)74 (52.9)0.0001.000
Male33 (47.1)33 (47.1)66 (47.1)
Ethnic group
Yoruba51 (72.9)45 (64.3)96 (68.6)1.3750.711
Igbo11 (15.7)13 (18.6)24 (17.1)
Hausa5 (7.1)7 (10.0)12 (8.6)
Others3 (4.3)5 (7.1)8 (5.7)
Social economic status
Lower21 (20.0)16 (22.9)37 (26.4)1.1080.575
Middle44 (62.9)47 (67.1)91 (65.0)
Upper5 (7.1)7 (10.0)12 (8.6)
Living with parent
Yes63 (90.0)60 (85.7)123 (87.9)0.6030.438
No7 (10.0)10 (14.3)17 (12.1)
Previous abuse
Yes8 (11.4)7 (10.0)15 (10.7)0.0750.785
No62 (88.6)63 (90.0)125 (89.3)
Table 2 Nutritional status assessment among participants, n (%)/mean ± SD

Heart disease (n = 70)
Controls (n = 70)
χ2
P value
Weight (kg)30.10 ± 12.435.41 ± 9.02.9020.004
Height (cm)132.56 ± 17.0133.64 ± 11.30.4440.657
Body mass index16.81 ± 3.619.53 ± 2.45.219< 0.001
WAZ score
Severe wasting12 (17.1)0 (0.0)26.102< 0.001
Wasting9 (12.9)0 (0.0)
Normal48 (68.6)70 (100.0)
Overweight1 (1.4)0 (0.0)
mean ± SD-1.32 ± 1.50.40 ± 0.88.380< 0.001
HAZ score
Severe stunting5 (7.1)0 (0.0)24.409< 0.001
Stunting20 (28.6)2 (2.9)
Normal45 (64.3)68 (97.1)
mean ± SD-1.31 ± 1.3-0.54 ± 0.74.247< 0.001
BAZ score
Severe underweight9 (12.9)0 (0.0)28.084< 0.001
Underweight3 (4.3)0 (0.0)
Normal48 (68.6)35 (50.0)
Overweight9 (12.9)33 (47.1)
Obese1 (1.4)2 (2.9)
mean ± SD-0.66 ± 1.60.93 ± 0.77.472< 0.001
Table 3 Association between malnutrition and socio-demographic characteristics among children with heart disease, n (%)

Normal nutrition (n = 36)
Malnutrition (n = 34)
χ2
P value
Age group (years)
7-912 (48.0)13 (52.0)
10-1215 (51.7)14 (48.3)0.2680.875
13-169 (56.2)7 (43.8)
Sex
Female14 (42.4)19 (57.6)2.0260.155
Male22 (59.5)15 (40.5)
Social economic status
Lower10 (47.6)11 (52.4)0.2820.869
Middle23 (52.3)21 (47.7)
Upper3 (60.0)2 (40.0)
Living with parent
Yes31 (49.2)32 (50.8)1.2450.264
No5 (71.4)2 (28.6)
Previous abuse
Yes2 (25.0)6 (75.0)2.5260.112
No34 (54.8)28 (45.2)
Table 4 Association between malnutrition and clinical characteristics among children with heart disease

Normal nutrition (n = 36)
Malnutrition (n = 34)
χ2
P value
Classification of heart disease
Congenital cyanotic12 (42.9)16 (57.1)
Congenital acyanotic16 (50.0)16 (50.0)
Acquired8 (80.0)2 (20.0)4.1180.128
Cardiac surgery type
Definitive surgery11 (61.1)7 (38.9)
Palliative surgery0 (0.0)3 (100.0)3.8550.145
None25 (51.0)24 (49.0)
Admissions in last one year
None9 (50.0)9 (50.0)
Once9 (40.9)13 (59.1)
Twice6 (46.2)7 (53.8)
Three or more12 (70.6)5 (29.4)3.6320.304


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