1naresh
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Variable Odds Ratio 95% CI P Value Presence of an infarct on preoperative MRI 9.8 2.2–44.2 .003 Anterior location of preoperative infarct 2.0 1.2–3.4 .01 Post-ACZ CBF augmentation (continuous, per mL/100 g/min) 0.97 0.96–0.98 <.001 Absolute CBF augmentation anterior circulation (10% change)a 0.88 0.82–0.96 .002 Impaired CVR (augmentation of <10%) 2.8 1.8–4.3 <.001 Steal phenomenon (augmentation <0%) 2.4 1.3–4.5 .005
↵a The reported odds ratio is the effect of a 10 mL/100 g/min increase in absolute CBF change, a 10% increase in percentage difference for CBF change. For example, for absolute CBF change in the anterior circulation, for every increase of 10 mL/100 g/min (ie, better augmentation), there is a 12% decrease in the odds (ie, 0.88) that the patient will be in the index (ischemic complications) group.