TABLE 1.
Demographics and Primary Tumor Characteristics
| Number of patients (n) | 60 |
|---|---|
| Male/female ratio | 27/33 |
| Median age at initial diagnosis, years (interquartile range, IQR) | 58.1 (50.7-64.0) |
| Median primary tumor volume, cm3 (IQR) | 27 (14.1-45.0) |
| Lesion site, no. of patients (% of total) | |
| Convexity | 27/60 (45%) |
| Parasagittal | 17 (28) |
| Sphenoid | 7 (12) |
| Other/unknown | 9 (15) |
| Primary tumor histological (WHO) grade, no. (%) | |
| I (benign) | 7/60 (12%) |
| II (atypical) | 45 (75) |
| III (anaplastic/malignant) | 8 (13) |
| Primary tumor treatment modality, no. (%) | |
| Surgery alone | 39/60 (65%) |
| Surgery + radiation therapy (RT) | 20 (33) |
| Surgery + RT + chemotherapy | 1 (2) |
| Extent of resection (EOR) at initial surgery, no. (%) | |
| GTR (gross total resection) | 34/60 (57%) |
| STR (subtotal resection) | 21 (35) |
| Unknown | 5 (8) |