Table 1.

Age of control group, different stages of chronic kidney disease (CKD), kidney transplant recipients (KTR) and nephrotic syndrome (NS)

	Control Median (IQR) n = 81	CKD 1–3 Median (IQR) n = 31	CKD 4–5 Median (IQR) n = 17	KTR Median (IQR) n = 17	NS Median (IQR) n = 21
Age	9[7;13]	11 [8;15]	10[5.75; 14.25]	12 [10;14]	8 [7;12]

^*p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001

n, number; IQR, interquartile range; CKD, chronic kidney disease; KTR, kidney transplant recipients; NS, nephrotic syndrome