Covariates | TTE abnormality n=3227 OR (95% CI) | P value | c-statistic | Category I abnormality n=854 OR (95% CI) | P value | c-statistic | Category II abnormality n=1062 OR (95% CI) | P value | c-statistic | Category II abnormality n=2642 OR (95% CI) | P value | c-statistic |
Older age | 2.05 (1.75 to 2.39) | <0.001 | 0.68 | 0.50 (0.43 to 0.59) | <0.001 | 0.67 | 1.81 (1.54 to 2.13) | <0.001 | 0.72 | 2.90 (2.52 to 3.33) | <0.001 | 0.72 |
Male gender | 1.19 (1.03 to 1.36) | 0.016 | ||||||||||
Caucasian | 1.22 (1.01 to 1.48) | 0.049 | 1.31 (1.04 to 1.64) | 0.007 | ||||||||
Coronary artery disease/prior MI | 3.53 (2.66 to 4.68) | <0.001 | 4.17 (3.50 to 4.97) | <0.001 | 2.27 (1.85 to 2.79) | <0.001 | ||||||
Prior antihypertensive medication | 1.32 (1.13 to 1.55) | <0.001 | 0.65 (0.55 to 0.76) | <0.001 | 1.28 (1.08 to 1.52) | 0.004 | 2.05 (1.78 to 2.37) | <0.001 | ||||
Diabetes mellitus | 1.29 (1.06 to 1.57) | 0.011 | 0.73 (0.59 to 0.90) | 0.004 | 1.46 (1.23 to 1.74) | <0.001 | ||||||
Prior antiplatelet use | 0.75 (0.62 to 0.92) | 0.005 | ||||||||||
Admission NIHSS >4 | 0.61 (0.52 to 0.71) | <0.001 | 1.55 (1.32 to 1.81) | <0.001 | 1.19 (1.04 to 1.36) | 0.013 | ||||||
Cortical infarct | 1.44 (1.21 to 1.72) | <0.001 | ||||||||||
Infratentorial infarct | 0.80 (0.67 to 0.95) | 0.012 | ||||||||||
Patent intracranial and extracranial arteries | 1.22 (1.03 to 1.43) | 0.019 | 1.49 (1.24 to 1.80) | <0.001 | 1.23 (1.04 to 1.44) | 0.015 |
MI, myocardial infarction; NIHSS, National Institutes of Health Stroke Scale; TTE, transthoracic echocardiography.