Fig. 2.

The requirement for enteral tube feeding, by type of inherited metabolic disease in the whole study population (N = 190).

Abbreviations: ASL, argininosuccinate lyase deficiency; ASS, argininosuccinate synthetase deficiency; CA, Carbonic anhydrase deficiency; CPS, carbamylphosphate synthetase deficiency; FAOD, fatty acid oxidation deficiency; GSD, glycogen storage disease; IVA, isovaleric acidemia; MA, methylmalonic acidemia; MSUD, maple syrup urine disease; NAGS, N-acetylglutamate synthase deficiency; OA, organic aciduria; OTC, ornithine transcarbamylase deficiency; PA, propionic acidemia; UCDs, urea cycle disorder.