Table 1: Reference age-related values for urinary oxalate, glycolate, and L-glycerate excretion (adapted from [8]).

UnitsNormal values
OxalateGlycolateL-Glycerate

mmol/1.73 m² per day<0.5<0.5
μmol/l<5
mmol/mol creatinine
 0–6 months<325–360<363–42514–205
 7–24 months<132–174<245–29314–205
 2–5 years<98–101<191–22914–205
 5–14 years<70–82<166–18623–138
 >16 years<40<99–125<138