Table 6.

Spearman correlations in 24-hour urine samples in males

Metabolite	HbA1c	BMI	BMI percent	BMI-z score	BF%
BCAAs mmol/mol Cr, 24 h	.265, P = .1736	.149, P = .2517	.234, P = .0721	.234, P = .0713	.231, P = .0779
BCKAs mmol/mol Cr, 24 h	.281, P = .1326	.067, P = .6040	.144, P = .2688	.144, P = .2679	.142, P = .2839
KIV mmol/mol Cr, 24 h	.312, P = .0928	.148, P = .2508	.219, P = .0896	.219, P = .0894	.204, P = .1212
KMV mmol/mol Cr, 24 h	.317, P = .0878	.047, P = .7187	.123, P = .3465	.123, P = .3444	.123, P = .3536
KIC mmol/mol Cr, 24 h	.322, P = .0832	.046, P = .7254	.102, P = .4363	.101, P = .4379	.1, P = .4495
Tryptophan mmol/mol Cr, 24 h	.37, P = .0440	.176, P = .1707	.242, P = .0606	.243, P = .0588	.285, P = .0289
Kynurenine mmol/mol Cr, 24 h	.328, P = .0768	.063, P = .6259	.129, P = .3225	.13, P = .3167	.07, P = .5958
Kynurenic acid mmol/mol Cr, 24 h	−.242, P = .1968	−.064, P = .6196	.013, P = .9238	.011, P = .9313	.021, P = .8766
5-HIAA mg/g Cr, 24 h	−.341, P = .0654	−.248, P = .0523	−.177, P = .1725	−.177, P = .1731	−.037, P = .7810
Serotonin nmol/mmol Cr, 24 h	−.207, P = .2824	−.002, P = .9906	.066, P = .6212	.066, P = .6198	.063, P = .6407
Kynurenine/tryptophan, 24 h	.236, P = .2089	−.055, P = .6707	−.029, P = .8233	−.028, P = .8304	−.136, P = .3046
5-HIAA/tryptophan, 24 h	−.567, P = .0011	−.315, P = .0126	−.333, P = .0087	−.334, P = .0085	−.285, P = .0284
5-HIAA/kynurenine, 24 h	−.484, P = .0067	−.1, P = .4412	−.133, P = .3053	−.135, P = .3011	−.034, P = .7980
Kynurenine/serotonin, 24 h	.404, P = .0297	.064, P = .6261	.086, P = .5166	.088, P = .5092	.025, P = .8538
Serotonin/tryptophan, 24 h	−.489, P = .0071	−.197, P = .1304	−.185, P = .1609	−.186, P = .1584	−.231, P = .0839

Abbreviations: BCAA, branched-chain amino acid; BCKA, branched-chain ketoacid; BF%, percent body fat; BMI, body mass index; Cr, creatinine; HbA1c, hemoglobin A1c; KIC, α-keto-isocaproate; KIV, α-keto-valerate; KMV, α-keto-β-methylvalerate.