Abstract:
BACKGROUND:We aimed to determine the accuracy of the iScore for predicting mortality and early disability following ischemic stroke in a French population-based study. METHODS:All patients with acute ischemic stroke were identified among residents of the city of Dijon, France, between 2006 and 2011, using a population-based stroke registry. The 30-day iScore and 1-year iScore were calculated. A logistic regression model was used to assess the performance of the iScore for predicting both 30-day and 1-year mortality, and poor functional outcome at discharge (modified Rankin Scale score of 3-6). The discrimination and calibration of the model were assessed using the c-statistic and the Hosmer-Lemeshow goodness-of-fit test, respectively. RESULTS:Among the 1,199 ischemic stroke patients recorded, 107 (8.9%) were excluded because at least one item of data was missing. For the remaining 1,092 patients, the c-statistic was 0.85 (95% CI: 0.82-0.89) for 30-day and 0.84 (0.81-0.87) for 1-year mortality, and calibration was good (p = 0.82 and p = 0.96, respectively, for the Hosmer-Lemeshow test). Similar results were found for disability (c-statistic 0.81, 95% CI: 0.79-0.84, and p = 0.45 for the Hosmer-Lemeshow test). CONCLUSION:This is the first population-based study to demonstrate the accuracy of the iScore for predicting mortality and early disability in ischemic stroke patients.
journal_name
Neuroepidemiologyjournal_title
Neuroepidemiologyauthors
Béjot Y,Jacquin A,Daubail B,Durier J,Giroud Mdoi
10.1159/000354634subject
Has Abstractpub_date
2013-01-01 00:00:00pages
169-73issue
3-4eissn
0251-5350issn
1423-0208pii
000354634journal_volume
41pub_type
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