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Table 5 Evaluation of Markwalder score preoperatively and 1 month postoperatively

From: Surgical management of chronic subdural hematomas through single-burr hole craniostomy: is it sufficient?

  Group p
Pre Post
N Percentage (%) N Percentage (%)
Markwalder grading scale
 0 0 0.0 17 63.0 0.001
 1 0 0.0 9 33.3
 2 25 83.3 1 3.7
 3 5 16.7 0 0.0
  1. Pre, preoperatively; Post, postoperatively; N, number of patients
  2. * Wilcoxon signed ranks test