Table 4. Spearman's rank correlations between plasma concentrations and dietary intakes of amino acids.

	Sample size	r	Pa
Branched-chain essential amino acids
Isoleucine	392	0.10	0.05
Leucine	392	0.16	0.001
Valine	392	0.14	0.01
Other essential amino acids
Histidine	392	−0.02	0.7
Lysine	381	0.21	<0.0001
Methionine	392	0.19	0.0002
Phenylalanine	299	0.05	0.4
Threonine	392	0.06	0.2
Tryptophan	390	0.16	0.001
Non-essential amino acids
Alanine	392	−0.05	0.4
Arginine	392	0.09	0.07
Aspartate	392	0.004	0.9
Glutamate	392	0.03	0.6
Glycine	392	−0.15	0.003
Proline	347	0.12	0.02
Serine	392	0.04	0.4
Tyrosine	392	0.17	0.0007

^aConventional P-values are shown and those marked in bold were significant after Bonferroni correction (P<0.0029).