Table 2.

Causes of secondary hypertension in a tertiary pediatric hypertension clinic

Causes	Total no. (%)	Age at diagnosis, y, median (range)	Male sex, no. (%)
Autoimmune	3 (1)	10.5 (9–17)	2 (67)
Cardiac	4 (3)	4.5 (1–11)	3 (75)
Endocrine	9 (6)	13 (6–17)	2 (22)
Gastrointestinal	2 (1)	0.5 (0.17–0.75)	2 (100)
Hematological	1 (1)	8	1 (100)
Medications	21 (13)	13 (0.08–18)	16 (76)
Neurological	19 (12)	10 (0.25–18)	14 (74)
Renal	53 (34)	10 (0.08–19)	33 (62)
Respiratory	32 (20)	1 (0.01–17)	20 (63)
Sleep disordered breathing	12 (8)	14 (4–17)	10 (83)