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Multivariable regression on patient profiles of MT alone (versus MT+IV-tPA)
Outcome: MT Alone (vs MT+IV-tPA) Odds Ratio P Value 95% CI
Race <.001^a 
 White 1.000 – – –
 Black 0.830 .001 0.747 0.922
 Hispanic 0.788 <.001 0.698 0.890
 Other 0.899 .102 0.792 1.021
Region of hospital <.001^a 
 Northeast 1.000 – – –
 Midwest 0.979 .783 0.845 1.135
 South 0.886 .064 0.779 1.007
 West 0.826 .008 0.716 0.952
Median household income national quartile for patient ZIP code .032^a 
 0–25th Percentile 1.000 – – –
 26th–50th Percentile 1.078 .111 0.983 1.183
 51st–75th Percentile 1.022 .666 0.926 1.127
 >75th Percentile 0.934 .221 0.838 1.042
Location/teaching status of hospital <.001^a 
 Urban nonteaching 1.000 
 Urban teaching 1.442 <.001 1.286 1.616
 Rural 0.802 .571 0.374 1.721
ADSS score 0.998 .267 0.994 1.002
Elixhauser Comorbidity Index score 1.017 .050 1.000 1.034
Note:—-indicates not available (reference group).
↵a P value for Wald test.