Table 4.

Cox regression model of predictors of cerebral ischemic events while using antithrombotic agents (n = 47)

PredictorBSEWALDp ValueHazard ratioLower 95% CIUpper 95% CI
B = beta coefficient; SE = standard error; WALD = WALD statistic.
Warfarin therapy−1.5840.5348.7890.0030.2050.0720.585
Age0.0380.0175.0440.0251.0381.0051.073
Anterior circulation disease−0.2470.4760.2690.6040.7810.3071.986
Caucasian race−0.4360.5760.5720.4500.6470.2092.001
Lipid disorder−0.1990.4850.1680.6820.8190.3162.122