Research Article

Genotype and Phenotype Characteristics of Chinese Pediatric Patients with Primary Hyperoxaluria

Table 3

Phenotypes of PH1 patients with hotspot homozygous mutations, hotspot heterozygous mutations, and nonhotspot mutations.

Variablesc.33dup homozygotec.33dup heterozygotec.815_816insGA homozygotec.815_816insGA heterozygoteNonhotspot mutations
()()()()()

Age of onset (years)7 (6, 8)5 (3, 10)15 (0.6, 11)4 (0.3, 9)0.622
()()()()()
Nephrocalcinosis (%)100%75.00%100%100%28.57%0.678
()()()()()
eGFR (ml/min/1.73 m2)116.330.014
()()()()()
Urine oxalate/creatinine (μg/mg) ()ND1118.690.203
()()()()()
Urine calcium/creatinine (mmol/mmol) ()ND0.060.270.08 (0.06, 0.16)0.32 (0.12, 1.13)0.058
()()()()()
Urine citrate/creatinine (μg/mg) ()70.33156.32502.3883.63 (48.79, 99.98)95.71 (66.10, 302.32)0.420
()()()()()

Abbreviations: nL: normal limit; eGFR: estimated glomerular filtration rate; ND: not detected. .