- Patients’ characteristics according to disease group.
| Characteristics | Metabolic | FHHNC | dRTA |
|---|---|---|---|
| n (%) | |||
| Age (months), mean±SD | 73.5±54.4 | 70.2±43.9 | 72.6±52.2 |
| Gender | |||
| Male | 32 (60.4) | 6 (33.3) | 9 (60.0) |
| Female | 20 (39.6) | 12 (66.7) | 6 (40) |
| Creatinine (µmol), mean±SD | 103.7±184.9 | 71.8±48.2 | 72.7±93.5 |
| Consanguinity* | 40 (75.5) | 17 (100) | 9 (60.0) |
| Family history of renal disease | 18 (34.0) | 15 (88.2) | 4 (26.7) |
FHHNC: familial hypomagnesemia with hypercalciuria and nephrocalcinosis, dRTA: distal renal tubular acidosis, SD: standard deviation, *35 children of the metabolic group had parents who are first degree cousins, while 5 children with second degree cousins, FHHNC group: 15 children with first degree cousins and 2 with second degree cousins, dRTA group: 8 children with first degree cousins and one with second degree cousin