Case Report
Copyright ©The Author(s) 2023.
World J Clin Cases. Feb 16, 2023; 11(5): 1077-1085
Published online Feb 16, 2023. doi: 10.12998/wjcc.v11.i5.1077
Table 2 Concentrations of branched-chain amino acids of the proband
Amino acid
Leucine (μmol/L)
Isoleucine (μmol/L)
Valine (μmol/L)
Alanine (μmol/L)
Leucine/alanine ratio
Reference range4.0-197.024.0-118.099.0-333.0210.0-545.0
8 mo468.6↑258.8↑574.2↑229.02.12
1 yr 1 mo184.192.8292.7208.5↓0.88
1 yr 7 mo327.0↑165.8↑460.7↑252.31.29
2 yr258.3↑199.4↑406.8↑150.1↓1.72
2 yr 5 mo201.2↑92.7274.0211.20.95
3 yr 3 mo288.1↑157.4↑311.9↑186.0↓1.55
4 yr 10 mo222.0↑124.5↑270.2266.40.83
5 yr 7 mo258.5↑156.1↑295.3171.2↓1.51
6 yr 2 mo244.0↑130.1↑431.3↑280.00.87