Table 5.

Sensitivity Analysis: Odds of Receiving rt‐PA at a PSC Versus Non‐PSC, by Race, in the NIS 2006–2010

Race	Unadjusted	Model 1a	Model 2b	Model 3c
	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)
White	2.52 (2.21 to 2.89)	1.74 (1.54 to 1.96)	1.65 (1.44 to 1.90)	1.66 (1.44 to 1.90)
Black	2.01 (1.61 to 2.51)	1.66 (1.31 to 2.09)	1.52 (1.18 to 1.95)	1.52 (1.18 to 1.97)
Hispanic	2.65 (2.07 to 3.40)	1.80 (1.35 to 2.39)	1.59 (1.19 to 2.13)	1.59 (1.19 to 2.13)
Othersd	2.75 (2.10 to 3.60)	2.49 (1.89 to 3.28)	2.13 (1.55 to 2.94)	2.13 (1.55 to 2.94)

APR‐DRG indicates all patient refined‐diagnosis related group; NIS, Nationwide Inpatient Sample; OR, odds ratio; PSC, Primary Stroke Center; rt‐PA, recombinant tissue plasminogen activator.

^aAdjusted for: year, age, sex, primary expected payer, median income quartiles by ZIP code, region, teaching hospital, urban hospital location, and volume of acute ischemic stroke annually at hospital.

^bModel 1+each of the 29 Agency for Healthcare Quality and Research (individual) comorbidities.

^cModel 2+APR‐DRG measure of disease severity to estimate the likelihood of dying during the hospitalization (minor, moderate, major, and extreme likelihoods of dying).

^dOthers includes Asian/Pacific Islander, Native American, and other.