Table 4

Multivariable logistic regression models predicting an abnormal TTE finding (left), a Category I finding (left-centre), a Category II finding (right-centre) and a Category III finding (right) among those with no prestroke history of heart failure, mechanical heart valve or atrial fibrillation (n=4234)

CovariatesTTE abnormality
n=3227
OR (95% CI)
P valuec-statisticCategory I abnormality
n=854
OR (95% CI)
P valuec-statisticCategory II abnormality
n=1062
OR (95% CI)
P valuec-statisticCategory II abnormality
n=2642
OR (95% CI)
P valuec-statistic
Older age2.05 (1.75 to 2.39)<0.0010.680.50 (0.43 to 0.59)<0.0010.671.81 (1.54 to 2.13)<0.0010.722.90 (2.52 to 3.33)<0.0010.72
Male gender1.19 (1.03 to 1.36)0.016
Caucasian1.22 (1.01 to 1.48)0.0491.31 (1.04 to 1.64)0.007
Coronary artery disease/prior MI3.53 (2.66 to 4.68)<0.0014.17 (3.50 to 4.97)<0.0012.27 (1.85 to 2.79)<0.001
Prior antihypertensive medication1.32 (1.13 to 1.55)<0.0010.65 (0.55 to 0.76)<0.0011.28 (1.08 to 1.52)0.0042.05 (1.78 to 2.37)<0.001
Diabetes mellitus1.29 (1.06 to 1.57)0.0110.73 (0.59 to 0.90)0.0041.46 (1.23 to 1.74)<0.001
Prior antiplatelet use0.75 (0.62 to 0.92)0.005
Admission NIHSS >40.61 (0.52 to 0.71)<0.0011.55 (1.32 to 1.81)<0.0011.19 (1.04 to 1.36)0.013
Cortical infarct1.44 (1.21 to 1.72)<0.001
Infratentorial infarct0.80 (0.67 to 0.95)0.012
Patent intracranial and extracranial arteries1.22 (1.03 to 1.43)0.0191.49 (1.24 to 1.80)<0.0011.23 (1.04 to 1.44)0.015
  • MI, myocardial infarction; NIHSS, National Institutes of Health Stroke Scale; TTE, transthoracic echocardiography.