Table 1.
Statistical correlation between post-SRS tumor progression and clinical–pathological features of 39 intracranial meningiomas.
| Parameter | Post-SRS Tumor Progression | p | |
|---|---|---|---|
| Absent | Present | ||
| Age | |||
| <65 years | 9 | 8 | |
| ≥65 years | 12 | 10 | 0.8401 |
| Sex | |||
| Male | 13 | 13 | |
| Female | 8 | 5 | 0.1928 |
| Site | |||
| Convexity | 13 | 2 | |
| Sagittal | 5 | 9 | |
| Skull base | 2 | 6 | |
| Intraventricular | 1 | 1 | 0.023 |
| WHO grade | |||
| 1 | 4 | 2 | |
| 2 | 17 | 16 | 0.5839 |
| H3K27me3 immuno-expression * | |||
| retained | 18 | 9 | |
| lost | 1 | 6 | 0.0036 |
| SRS | |||
| Adjuvant | 5 | 5 | |
| Salvage-residual | 8 | 5 | |
| Salvage-recurrent | 8 | 8 | 0.3752 |
| Treated tumor | |||
| Residual | 13 | 10 | |
| Recurrence | 8 | 8 | 0.2828 |
SRS: stereotactic radiosurgery; * Statistical analysis was performed excluding five meningiomas with inconclusive H3K27me3 staining.