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Table 2: 
Univariate analysis of clinical and imaging predictors of significant clinical deterioration
Univariate Analysis (N= 32)
OR P Value Area Under the Curve
Clinical Variables 
    Age 1.07 .08^a 72.8%
    Current antiplatelet (aspirin and/or clopidogrel) therapy 0 .007^a 80.8%
    Current warfarin therapy 0 .25 40.4%
    Admission INR .34 .703 54.8%
    Admission NIHSS 1.26 .07^a 73.1%
    Time from symptom onset to scanning .81 .43 52.6%
    tPA treatment >1000 .03^a 67.3%
    Merci treatment .68 .68 54.5%
Imaging variables 
    Admission PCT-defined infarct volume 1.02 .08^a 63.5%
    Admission BBBP 1.71 .01^a 79.6%
    Collaterals to the region of the stroke .37 .29 61.5%
    Recanalization .46 .41 59.4%
    Reperfusion .62 .003^a 82.1%


a P value < .2, considered for inclusion in the multivariate analysis.

	Univariate Analysis (N= 32)
	OR	P Value	Area Under the Curve
Clinical Variables
Age	1.07	.08^a	72.8%
Current antiplatelet (aspirin and/or clopidogrel) therapy	0	.007^a	80.8%
Current warfarin therapy	0	.25	40.4%
Admission INR	.34	.703	54.8%
Admission NIHSS	1.26	.07^a	73.1%
Time from symptom onset to scanning	.81	.43	52.6%
tPA treatment	>1000	.03^a	67.3%
Merci treatment	.68	.68	54.5%
Imaging variables
Admission PCT-defined infarct volume	1.02	.08^a	63.5%
Admission BBBP	1.71	.01^a	79.6%
Collaterals to the region of the stroke	.37	.29	61.5%
Recanalization	.46	.41	59.4%
Reperfusion	.62	.003^a	82.1%