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Table 1 Association between C4d staining intensity (C4d INT) and WHO grade*

From: Complement activation in astrocytomas: deposition of C4d and patient outcome

  Grades Total
  Grade I Grade II Grade III Grade IV  
C4d intensity 0 1 10 4 11 26
  1 3 10 10 26 49
  2 3 1 2 16 22
  3 2 0 0 3 5
  Total 9 21 16 56 102
  1. *(p = 0.034, Kruskal-Wallis test).