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. 2012 Feb 24;6:95–99. doi: 10.1007/8904_2011_122

Table 2.

Urine biochemical characteristics in two untreated patients with OAT deficiency

Orotic acid
(μmol/mmol creatinine)
Proline
(μmol/mmol creatinine)
Normal <3 21–213 (<4 weeks) 0–130 (1–6 months)
Case 1
 17 days 22 3,692
Case 2
 58 days 39 320