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Table 4 Association between preoperative DTI patterns and postoperative DTI findings

From: Surgical planning in patients with brain glioma using diffusion tensor MR imaging and tractography

Postoperative DTI Preoperative DTI patterns pa
I (n = 2) II (n = 15) III (n = 11) IV (n = 12) V (n = 4)
No % No % No % No % No %  
Normalized position and anisotropy 2 100.0 13 86.7 7 63.6 6 50.0 0 0.0 <0.001*
Normalized position and partial FA improvement 0 0.0 2 13.3 3 27.3 4 33.3 0 0.0
No fibers position or FA improvement 0 0.0 0 0.0 1 9.1 2 16.7 0 0.0
No identifiable fiber tracts on FA or directional color maps 0 0.0 0 0.0 0 0.0 0 0.0 4 100.0
  1. No number
  2. *Significant at p <0.05
  3. aFisher exact/Fisher-Freeman-Halton exact test