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Table 3 Radiologic response of GMB patients following Macdonald et al.[17]

From: MGMT promoter methylation status and MGMT and CD133 immunohistochemical expression as prognostic markers in glioblastoma patients treated with temozolomide plus radiotherapy

  Radiologic response
MGMT Negative Positive
Unmethylated 33 (82.5%) 7 (17.5%)
Methylated 17 (56.7%) 13 (43.3%)
Total 50 (71.4%) 20 (28.6%)
  1. The methylation of MGMT showed a significant correlation with radiologic response (p < 0.05).