Table 2 Data summary of total DNA methylation in various intracranial meningioma subtypes with numerical amount and grade distribution in all patients evaluated in the study. Median age (in years) in the histological subclasses, and female to male (F:M) ratio is also given
From: Total DNA methylation as a biomarker of DNA damage and tumor malignancy in intracranial meningiomas
Histological type | Grade | No of cases | Median age [Y] | F:M ratio | R tissue | SD R tissue |
|---|---|---|---|---|---|---|
Meningothelial meningioma | I | 40 | 54.9 | 26:14 | 1.59 | 0.006 |
| Â | II | 2 | 53.0 | 1:1 | 1.37 | 0.34 |
Fibrous meningioma | I | 21 | 60.5 | 16:5 | 1.55 | 0.05 |
Transitional meningioma | I | 8 | 51.5 | 7:1 | 1.58 | 0.08 |
Psammomatous meningioma | I | 4 | 60.3 | 4:0 | 1.54 | 0.06 |
Angiomatous meningioma | I | 10 | 60.9 | 7:3 | 1.50 | 0.03 |
Mixed meningioma | I | 4 | 62.75 | 1:3 | 1.49 | 0.05 |
| Â | II | 2 | 64.0 | 2:0 | 1.48 | 0.09 |
Atypical meningioma | II | 5 | 58.2 | 3:2 | 1.45 | 0.12 |
Anaplastic meningioma | III | 4 | 60.0 | 3:1 | 1.09 | 0.24 |