Table 1.
Demographic, radiological and surgical data and number of recurrences
| Covariation | Overall series 35 pts | Single recurrence 24 pts (69%) | Multiple recurrences 11 pts (31%) | Statistical significance (p value) |
|---|---|---|---|---|
| Age | ||||
| • < 65y | 20 (57%) | 12 (50%) | 8 (73%) | p = 0.0013 |
| • ≥ 65y | 15 (43%) | 12 (50%) | 3 (27%) | |
| Sex | ||||
| • F | 22 (63%) | 17 (71%) | 5 (46%) | p = 0.0005 |
| • M | 13 (37%) | 7 (29%) | 6 (54%) | |
| Meningioma location | ||||
| • skull base (SB) | 10 (28.5%) | 6 (25%) | 4 (36%) | p = 0.12 |
| • parasagittal-falx (PF) | 17 (48.5%) | 13 (54%) | 4 (36%) | p = 0.01 |
| • brain convexity (BC) | 7 (20%) | 4 (17%) | 3 (28%) | p = 0.08 |
| • lateral ventricle (LV) | 1 (3%) | 1 (4%) | --- | |
| SB vs. PF vs. BC: | ||||
| p = 0.016 | ||||
| Extent of resection at initial surgery (Simpson grade) | ||||
| • I | 7 (20%) | 5 (24%) | 2 (18%) | I-II vs. III p = 0.03 |
| • II | 10 (25.5%) | 8 (33%) | 2 (18%) | I-II vs. IV p = 0.007 |
| • III | 14 (40%) | 9 (38%) | 5 (46%) | I-II vs. III-IV p = 0.0045 |
| • IV | 4 (11.5%) | 2 (8%) | 2 (18%) | |