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Table 2 Comparison of the distribution of OTD and DTN, NIHSS at different time points, intracranial hemorrhage and death and their significance between the two study groups

From: Intravenous thrombolysis outcome in posterior vs anterior circulation stroke in a tertiary stroke center in Egypt

  Site t test
Anterior circulation stroke Posterior circulation stroke
Mean SD Mean SD p value
 OTD (hour) 2.1 0.8 2.1 0.7 0.9
 DTN (min) 50.6 22.3 45.6 19.9 0.1
 NIHSS Pre r-tPA 10.5 4.6 7.7 4.4 <0.001*
 NIHSS 2 h 8.8 4.9 6.1 4.2 <0.001*
 NIHSS 24 h 7.7 5.0 5.2 4.0 <0.001*
 NIHSS 7 days 6.4 4.8 4.3 3.9 0.001*
 Repeated measure ANOVA <0.001* <0.001*  
  Anterior Posterior Chi-square test
p value
 ICH N % N %
  No 97 82.2% 17 85.0% 0.76
  Yes 21 17.8% 3 15.0%
 Death      Fisher exact test
p value
  No 283 97.60% 61 100.00% 0.61
  Yes 7 2.40% 0 0.00%
  1. *Significant
  2. OTD onset-to-door, DTN door-to-needle, SD standard deviation, MIN minute, NIHSS National Institute of Health Stroke Scale, ICH intracranial hemorrhage