Table 1.

Characteristics of the healthy children and children with Alport syndrome included in this study

Characteristics	All healthy children	All children with Alport syndrome
Number	146	117
Median age (range) (years)	9.5 (3–18)	10 (3–17)
Male (%)	74 (50.7%)	99 (84.6%)
Mean height ± SD (cm)	140.6 ± 25.4	138.4 ± 18.7
Mean weight ± SD (kg)	40.2 ± 21.5	34.7 ± 14.6
Mean 24-h UP ± SD (g/24 h)	NA	1.9 ± 2.3
Mean eGFR ± SD (ml/min per 1.73 m2)	NA	110.4 ± 51.1
Genotype (89 of 117)	NA	XLAS (65/89) ARAS (24/89)

eGFR estimated glomerular filtration rate, NA not available, UP urinary protein, XLAS X-linked Alport syndrome, ARAS autosomal recessive Alport syndrome