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Observational Study
Copyright: ©Author(s) 2026.
World J Clin Pediatr. Dec 9, 2026; 15(4): 122376
Published online Dec 9, 2026. doi: 10.5409/wjcp.122376
Table 1 Gender differences and inter-group comparison of anthropometric variables in male and female children with Kawasaki disease and healthy controls
Anthropometric parametersMales
Females
Gender differences Z (P value)
    KD
    Healthy control
Inter-group differences
    KD
    Healthy control
Inter-group differences
mean ± SD
Median (interquartile rage)
mean ± SD
Median (interquartile rage)
Z (P value)
mean ± SD
Median (interquartile rage)
mean ± SD
Median (interquartile rage)
Z (P value)
KD
Controls
Height (cm)150.25 ± 18.84145.9 (135.95-167.60)146.72 ± 15.70142.90 (132.80-161.90)0.71 (0.47)143.78 ± 14.50145.70 (131.3-157.00)143.03 ± 8.29146.90 (136.10-148.60)0.26 (0.79)1.18 (0.24)0.55 (0.58)
HAZ0.41 ± 1.040.59 (0.00-1.01)-0.04 ± 0.81-0.15 (-0.60 to 0.27)2.50 (< 0.01a)0.11 ± 0.950.39 (-0.78 to 0.92)-0.03 ± 0.920.03 (-0.71 to 0.64)0.50 (0.61)0.98 (0.32)0.48 (0.63)
Weight (kg)43.98 ± 19.7641.80 (27.40-57.42)39.36 ± 14.5734.20 (26.90-50.20)0.69 (0.48)38.94 ± 12.88
36.60 (30.00-49.80)40.28 ± 13.6135.00 (29.20-57.40)0.19 (0.84)0.32 (0.75)0.45 (0.65)
WAZ0.23 ± 1.090.03 (-0.54 to 1.06)-0.12 ± 0.890.00 (-0.73-0.26)1.15 (0.24)0.15 ± 1.110.001 (-0.63 to 1.10)0.26 ± 1.280.51 (-1.00 to 1.43)0.19 (0.84)0.22 (0.81)1.07 (0.28)
BMI (kg/m2)18.60 ± 4.8517.64 (14.57-21.74)17.55 ± 3.5917.14 (14.85-20.39)0.71 (0.47)18.33 ± 3.6518.80 (14.65-20.31)19.42 ± 5.3817.24 (14.70-24.90)0.61 (0.54)0.13 (0.90)1.19 (0.23)
BMI (Z-score)0.03 ± 1.22-0.09 (-1.03 to 1.10)-0.18 ± 0.99-0.04 (-0.86 to 0.45)0.76 (0.44)0.14 ± 1.13-0.05 (-0.63 to 1.28)0.31 ± 1.440.27 (-1.22 to 2.09)0.46 (0.64)0.36 (0.71)1.27 (0.20)
Triceps skinfold thickness (Z-score)0.01 ± 0.94-0.76 (-0.69 to 0.91)0.02 ± 1.050.009 (-0.75 to 0.98)0.18 (0.85)0.21 ± 1.280.36 (-0.67 to 1.38)-0.24 ± 1.15-0.42 (-1.00 to 0.54)1.12 (0.26)0.75 (0.45)0.95 (0.34)
Triceps skinfold thickness (mm)11.73 ± 5.479.80 (7.45-17.00)12.12 ± 5.6611.00 (7.2-18)0.20 (0.84)15.57 ± 6.9514.20 (10.60-23.00)12.98 ± 5.7711.2 (8.4-19.00)1.04 (0.29)1.77 (0.07)0.81 (0.41)
Subscapular skinfold thickness (mm)10.83 ± 6.668.20 (6.30-15.35)10.81 ± 6.838.4 (5.6-14.00)0.17 (0.86)15.28 ± 8.3812.20 (7.40-23.60)12.71 ± 8.279.4 (7.4-15.00)0.83 (0.45)1.83 (0.06)1.25 (0.21)
Waist circumference (cm)65.32 ± 13.8662.65 (53.38-75.57)63.04 ± 10.8460.00 (54-71.70)0.36 (0.71)62.61 ± 8.3260.60 (57.20-69.00)60.01 ± 8.3757.45 (54.88-63.50)1.08 (0.27)0.28 (0.77)0.68 (0.49)
Waist circumference (Z-score)-1.2 ± 1.62-1.56 (-2.63 to 0.21)-1.40 ± 1.47-0.38 (-2.64 to -0.51)0.24 (0.80)-1.38 ± 1.32-1.15 (-2.58 to -0.37)-1.87 ± 1.58-2.01 (-3.18 to -0.81)1.04 (0.29)0.16 (0.87)0.94 (0.34)
Hip circumference (cm)74.95 ± 13.9974.80 (62.62-83.62)70.54 ± 10.7267.25 (63.12-78.00)1.24 (0.21)77.88 ± 13.2379.00 (68.30-89.00)73.82 ± 11.0171.00 (65.97-80.25)0.95 (0.33)0.81 (0.41)1.23 (0.21)
Waist-hip ratio0.87 ± 0.060.87 (0.82-0.90)0.88 ± 0.050.88 (0.84-0.93)0.94 (0.34)0.81 ± 0.060.82 (0.76-0.85)0.81 ± 0.050.82 (0.78-0.85)0.03 (0.97)2.57 (< 0.01a)3.60 (< 0.001b)
Table 2 Mean age (years) of emergence of pubic and axillary hair in female children with Kawasaki disease and healthy controls

n (%)
χ2 (P value)
KD (Females)
Healthy control
Mann-Whitney U
KD (females)
Healthy control
mean ± SD
Median (interquartile rage)
mean ± SD
Median (interquartile rage)
Z (P value)
Pubic hair (present)10 (66.7)16 (84.2)1.434 (0.231)13.2 ± 2.7312.5 (11.1-15.2)12.57 ± 2.9211.9 (10.2-14.7)0.74 (0.46)
Pubic hair (absent)5 (33.3)3 (15.8)8.58 ± 0.548.8 (8.0-9.0)8.50 ± 0.798.9 (7.6-9.0)0.30 (0.76)
Axillary hair (present)9 (60)14 (73.7)0.717 (0.397)13.24 ± 2.8912.1 (10.7-15.9)12.73 ± 2.9211.9 (10.6-15.4)0.57 (0.57)
Axillary hair (absent)6 (40)5 (26.3)9.30 ± 1.838.9 (8.0-10.0)9.70 ± 2.578.9 (7.8-12.0)0.00 (1.00)
Table 3 Mean age (years) of emergence of pubic and axillary hair in male children with Kawasaki disease and healthy controls

n (%)
χ2 (P value)
KD (males)
Healthy control
Mann-Whitney U
KD (males)
Healthy control
mean ± SD
Median (interquartile rage)
mean ± SD
Median (interquartile rage)
Z (P value)
Pubic hair (present)22 (68.8)26 (74.3)0.252 (0.616)12.98 ± 3.0813.3 (9.72-15.2)12.42 ± 2.6711.95 (10.1-14.2)0.83 (0.41)
Pubic hair (absent)10 (31.3)9 (25.7)9.64 ± 1.199.7 (8.5-10.9)9.59 ± 1.599.0 (8.2-11.3)0.20 (0.83)
Axillary hair (present)15 (46.9)13 (37.1)0.651 (0.420)14.80 ± 1.6514.9 (13.2-15.9)13.91 ± 2.8214.2 (12.0-16.0)0.81 (0.42)
Axillary hair (absent)17 (53.1)22 (62.9)9.40 ± 1.079.0 (8.4-10.2)10.37 ± 1.6010.1 (8.9-11.8)1.95 (0.05)
Table 4 Mean age (years) of attainment of breast development stage in Kawasaki disease girls and genitalia stage in Kawasaki disease boys

n (%)
χ2 (P value)KD
Control
Mann-Whitney U
KD
Control
mean ± SD
Median (interquartile rage)
mean ± SD
Median (interquartile rage)
Z (P value)
Breast stage
B15 (33.3)2 (10.5)4.36 (0.35)8.6 ± 0.548.83 (8.00-9.04)8.2 ± 0.948.25 (5.68-10.97)0.78 (0.43)
B21 (6.7)5 (26.3)10.0 ± 0.009.2 ± 0.849.0 (8.50-10.00)0.94 (0.34)
B34 (26.7)7 (36.8)12.4 ± 1.9012.50 (10.52-14.16)12.5 ± 1.4812.00 (1.33-14.00)0.18 (0.85)
B42 (50)2 (10.5)13.7 ± 0.3511.75 (8.62-12.02)13.3 ± 0.7612.29 (8.81-12.45)0.77 (0.44)
B53 (20)3 (15.8)16.3 ± 2.2017.16 (13.83-18.00)17.3 ± 0.6317.00 (16.83-18.00)0.00 (1.00)
Genitalia stage
G18 (25)7 (20)7.80 (0.09)9.38 ± 1.299.12 (8.12-10.81)9.63 ± 1.639.00 (8.41-11.66)0.46 (0.64)
G29 (28.1)17 (48.6)9.42 ± 0.919.00 (8.62-10.16)10.77 ± 1.3510.91 (10.00-11.87)2.35 (0.02a)
G30 (0)3 (8.6)11.25 ± 2.8112.75 (8.00-13.00)
G44 (12.5)3 (8.6)13.81 ± 1.2413.87 (12.62-14.93)14.83 ± 1.6015.50 (13.00-16.00)1.24 (0.21)
G511 (34.4)5 (14.3)15.16 ± 1.6815.08 (13.33-16.00)16.10 ± 1.8716.00 (14.25-18.00)1.13 (0.25)
Table 5 Comparison of skinfold thickness, waist circumference and lipid profile of Kawasaki disease patients with and without coronary artery aneurysm
VariablesKD with coronary artery aneurysm (n = 13)
KD without coronary artery aneurysm (n = 34)
Mann-Whitney U
mean ± SD
Median (interquartile rage)
mean ± SD
Median (interquartile rage)
Z (P value)
Total cholesterol (mg/dL) 121.0 ± 24.9116.5 (103.7-134.2)141.8 ± 29.1143.0 (118.0-157.0)2.23 (0.03a)
Triglycerides (mg/dL)89.6 ± 30.983.0 (71.0-99.0)99.8 ± 39.996.0 (67.0-118)0.66 (0.51)
HDL Cholesterol (mg/dL)47.1 ± 9.750.1 (40.0-53.6)48.6 ± 12.349.0 (38.0-55.5)0.32 (0.75)
LDL Cholesterol (mg/dL)73.9 ± 20.466.7 (58.6-85.2)87.7 ± 20.888.0 (70.4-99.3)2.21(0.03a)
Waist circumference (Z-score)-1.56 ± 1.42-1.56 (-2.71 to -0.05)-1.20 ± 1.6-1.58 (-2.47 to 0.23)0.66 (0.51)
Triceps skinfold thickness (mm)12.4 ± 5.312.3 (7.4-18.0)13.1 ± 6.511.2 (8.0-18.0)0.32 (0.75)
Subscapular skinfold thickness (mm)11.3 ± 5.58.9 (6.7-16.2)12.6 ± 8.19.4 (6.2-19.0)0.05 (0.96)
HAZ0.04 ± 1.290.13 (-1.21 to 0.95)0.42 ± 0.89-0.65 (-0.03 to 1.01)1.00 (0.317)
WAZ0.05 ± 0.99-0.27 (-0.81 to 0.93)0.27 ± 1.130.08 (-0.54 to 1.11)0.88 (0.380)


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