Table 9.

Correlations between spot and 24-hour urine metabolites

Metabolite	Correlation	P
KIV mmol/mol Cr	.792	<.0001
KMV mmol/mol Cr	.733	<.0001
KIC mmol/mol Cr	.727	<.0001
BCKAs mmol/mol Cr	.735	<.0001
BCAAs mmol/mol Cr	.687	<.0001
Tryptophan mmol/mol Cr	.786	<.0001
Kynurenine mmol/mol Cr	.791	<.0001
Kynurenic acid mmol/mol Cr	.675	<.0001
5-HIAA mg/g Cr	.575	<.0001
Serotonin nmol/mmol Cr	.597	<.0001

Abbreviations: BCAA, branched-chain amino acid; BCKA, branched-chain ketoacid; Cr, creatinine; KIC, α-keto-isocaproate; KIV, α-keto-valerate; KMV, α-keto-β-methylvalerate.