A Specific Urinary Amino Acid Profile Characterizes People with Kidney Stones

Table 2

The urine average levels of discriminant amino acids in patients and the control group.

AA	CNT		SF		value
	Average	±SD	Average	±SD
α-Aminobutyric acid	14.0	5.8	6.1	2.5	<0.0001
Asparagine	214.5	73.2	71.4	44.0	<0.0001
Ethanolamine	365.4	69.9	215.3	87.6	0.0003
Isoleucine	9.9	3.7	4.2	3.8	0.0029
Methionine	8.2	2.8	2.7	2.7	0.0003
Phenylalanine	49.5	13.2	24.7	15.4	<0.0001
Serine	354.1	109.0	105.6	93.8	<0.0001
Tryptophan	61.2	14.3	33.5	21.5	0.0023
Valine	34.4	12.0	15.2	11.4	0.0025