Table 3. Areas under the receiver-operating characteristic curves distinguishing patients who did (cases) and did not (controls) experience cardiovascular events during follow-up.

Parameters	AUC (± SE)	(95% CI)	P value
β-AIBA (µmol/l)	0.59±0.04	(0.50–0.66)	0.002
3MeHis (µmol/l)	0.62±0.04	(0.55–0.71)	0.04
Cit (µmol/l)	0.59±0.04	(0.52–0.07)	0.04
Trp (µmol/l)	0.59±0.04	(0.52–0.67)	0.02
CVD-AI	0.72±0.04	(0.64–0.79)	<0.0001
UAER	0.69±0.04	(0.62–0.77)	<0.0001

Abbreviations: AUC, area under the receiver-operator characteristic curve; β-AIBA, β-amino-iso-butyric acid; 3MeHis, 3-methylhistidine; Cit, citrulline; Trp, tryptophan; Cys, cystine; CVD-AI, cardiovascular disease-amino acid based index; UAER, urinary albumin excretion rate.