Abstract:
OBJECTIVE:To determine black-white differences in 1-year recurrent stroke and 30-day case fatality after a recurrent stroke in older US adults. METHODS:We conducted a retrospective cohort study using a 5% random sample of Medicare beneficiaries with fee-for-service health insurance coverage who were hospitalized for ischemic stroke between 1999 and 2013. Hazard ratios for recurrent ischemic stroke and risk ratios for 30-day case fatality comparing blacks to whites were calculated with adjustment for demographics, risk factors, and competing risk of death when appropriate. RESULTS:Among 128,789 Medicare beneficiaries having an ischemic stroke (mean age 80 years [SD 8 years], 60.4% male), 11.1% were black. The incidence rate of recurrent ischemic stroke per 1,000 person-years for whites and blacks was 108 (95% confidence interval [CI], 106-111) and 154 (95% CI 147-162) , respectively. The multivariable-adjusted hazard ratio for recurrent stroke among blacks compared with whites was 1.36 (95% CI 1.29-1.44). The case fatality after recurrent stroke for blacks and whites was 21% (95% CI 21%-22%) and 16% (95% CI 15%-18%), respectively. The multivariable-adjusted relative risk for mortality within 30 days of a recurrent stroke among blacks compared with whites was 0.82 (95% CI 0.73-0.93). CONCLUSION:The risk of stroke recurrence among older Americans hospitalized for ischemic stroke is higher for blacks compared to whites, while 30-day case fatality after recurrent stroke remains lower for blacks.
journal_name
Neurologyjournal_title
Neurologyauthors
Albright KC,Huang L,Blackburn J,Howard G,Mullen M,Bittner V,Muntner P,Howard Vdoi
10.1212/WNL.0000000000006467subject
Has Abstractpub_date
2018-11-06 00:00:00pages
e1741-e1750issue
19eissn
0028-3878issn
1526-632Xpii
WNL.0000000000006467journal_volume
91pub_type
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