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  • Wahlgren, NilsKarolinska Institutet (author)

Multivariable Analysis of Outcome Predictors and Adjustment of Main Outcome Results to Baseline Data Profile in Randomized Controlled Trials Safe Implementation of Thrombolysis in Stroke-MOnitoring STudy (SITS-MOST)

  • Article/chapterEnglish2008

Publisher, publication year, extent ...

  • 2008
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-107010
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-107010URI
  • https://doi.org/10.1161/STROKEAHA.107.510768DOI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:117923153URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Background and Purpose-The Safe Implementation of Thrombolysis in Stroke-MOnitoring STudy (SITS-MOST) unadjusted results demonstrated that intravenous alteplase is well tolerated and that the effects were comparable with those seen in randomized, controlled trials (RCTs) when used in routine clinical practice within 3 hours of ischemic stroke onset. We aimed to identify outcome predictors and adjust the outcomes of the SITS-MOST to the baseline characteristics of RCTs.Methods-The study population was SITS-MOST (n=6483) and pooled RCTs (n=464) patients treated with intravenous alteplase within 3 hours of stroke onset. Multivariable, backward stepwise regression analyses (until P <= 0.10) were performed to identify the outcome predictors for SITS-MOST. Variables appearing either in the final multivariable model or differing (P < 0.10) between SITS-MOST and RCTs were included in the prediction model for the adjustment of outcomes.Main outcome measures were symptomatic intracerebral hemorrhage, defined as National Institutes of Health Stroke Scale deterioration >= 1 within 7 days with any hemorrhage (RCT definition), mortality, and independency as defined by modified Rankin Score of 0 to 2 at 3 months.Results-The adjusted proportion of symptomatic intracerebral hemorrhage for SITS-MOST was 8.5% (95% CI, 7.9 to 9.0) versus 8.6% (6.3 to 11.6) for pooled RCTs; mortality was 15.5% (14.7 to 16.2) versus 17.3% (14.1 to 21.1); and independency was 50.4% (49.6 to 51.2) versus 50.1% (44.5 to 54.7), respectively. In the multivariable analysis, older age, high blood glucose, high National Institutes of Health Stroke Scale score, and current infarction on imaging scans were related to poor outcome in all parameters. Systolic blood pressure, atrial fibrillation, and weight were additional predictors of symptomatic intracerebral hemorrhage. Current smokers had a lower rate of symptomatic intracerebral hemorrhage. Disability before current stroke (modified Rankin Score 2 to 5), diastolic blood pressure, antiplatelet other than aspirin, congestive heart failure, patients treated in new centers, and male sex were related to high mortality at 3 months.Conclusions-The adjusted outcomes from SITS-MOST were almost identical to those in relevant RCTs and reinforce the conclusion drawn previously in the unadjusted analysis. We identified several important outcome predictors to better identify patients suitable for thrombolysis.

Subject headings and genre

  • monitoring
  • multivariate
  • safety
  • stroke
  • thrombolysis
  • MEDICINE
  • MEDICIN

Added entries (persons, corporate bodies, meetings, titles ...)

  • Ahmed, NiazKarolinska Institutet (author)
  • Eriksson, NiclasUppsala universitet,Uppsala kliniska forskningscentrum (UCR)(Swepub:uu)nieri103 (author)
  • Aichner, Franz (author)
  • Bluhmki, Erich (author)
  • Davalos, Antoni (author)
  • Erila, Terttu (author)
  • Ford, Gary A. (author)
  • Grond, Martin (author)
  • Hacke, Werner (author)
  • Hennerici, Michael G. (author)
  • Kaste, Markku (author)
  • Koehrmann, Martin (author)
  • Larrue, Vincent (author)
  • Lees, Kennedy R. (author)
  • Machnig, Thomas (author)
  • Roine, Risto O. (author)
  • Toni, Danilo (author)
  • Vanhooren, Geert (author)
  • Karolinska InstitutetUppsala kliniska forskningscentrum (UCR) (creator_code:org_t)

Related titles

  • In:Stroke39:12, s. 3316-33220039-24991524-4628

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