Predictive value of CHADS2 and CHA2DS2-VASc scores for coronary artery lesions and in-hospital prognosis of patients with acute ST-segment elevation myocardial infarction

Table 5 The comparison of the cases of left main coronary artery lesion among all group in CHADS₂ and CHA₂DS₂-VASc score

	Cases of left main artery lesion/total cases	χ2	P
CHADS₂
Low group	22/205
Middle group	26/247	6.130	0.047
High group	15/72
CHA₂DS₂-VASc
Low group	20/184
Middle group	19/193	3.671	0.160
High group	24/147

ISSN: 1471-2261