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Table 4: Multivariate logistic regression of best collateral measure, admission NIHSS score, admission DWI volume, and age for prediction of good tissue outcome
Final Infarct <90 mL Penumbra Saved >50%
β-Coefficient P β-Coefficient P
CI_CE-MRA 22.05 (7.33) <.01^{^a} 
CI_combined 9.56 (3.09) <.01^{^a}
Admission DWI infarct volume −.27 (.24) .26 .01 (.02) .73
Admission NIHSS score .46 (.49) .34 −.01 (.12) .94
Age (yr) −.09 (.10) .35 .07 (.04) .05^{^a}
Intercept β₀ 14.55 13.6 
↵a Significant.

	Final Infarct <90 mL		Penumbra Saved >50%
	β-Coefficient	P	β-Coefficient	P
CI_CE-MRA	22.05 (7.33)	<.01^{^a}
CI_combined			9.56 (3.09)	<.01^{^a}
Admission DWI infarct volume	−.27 (.24)	.26	.01 (.02)	.73
Admission NIHSS score	.46 (.49)	.34	−.01 (.12)	.94
Age (yr)	−.09 (.10)	.35	.07 (.04)	.05^{^a}
Intercept β₀	14.55		13.6