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Table 3 Predictors of outcome

From: Controlled arterial hypotension during resection of cerebral arteriovenous malformations

Outcome

Backward stepwise regression

Predictor

P-value

(Independent variable)

R

Adjusted R2

SE

(Dependent variable)

Any early, non-pre-existing, neurological deficit

0.39

0.15

0.47

Intraoperative mean ABP

0.005

Any transient or permanent hemiparesis

0.52

0.27

0.35

Duration of CAH

< 0.001

Long-term modified Rankin Scale

0.54

0.29

0.88

mRS before surgery

< 0.001

    

Intraoperative mean ABP

0.03

    

Lowest haemoglobin conc.

0.014

  1. Prediction of outcome as determined by backward stepwise regression. R = correlation coefficient, adjusted R2 = adjusted R2 according to the degrees of freedom. SE standard error of the estimate
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BMC Neurology

ISSN: 1471-2377

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