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Surgical findings
| Covariates | Number of patients 75 (100%) | Location | ||
|---|---|---|---|---|
| Arachnoid interface | ||||
| - Preserved | 56 (75%) | |||
| - Lost | 19 (25%) | |||
| Simpson grades of resection | Convexity (34) | Parasagittal (28) | Falx (13) | |
| - I | 32 (43%) | 29 (85%) | –- | 3 (23%) |
| - II | 25 (33%) | 1 (3%) | 15 (53%) | 9 (70%) |
| - III | 11 (15) | –- | 11 (40%) | –- |
| - IV | 7 (9%) | 4 (12%) | 2 (7%) | 1 (7%) |
