Table 1

Demographic data

VariablesPrimary/de novo n = 129Recurrent n = 30Total n = 159
Age (years)36.9± 12.439.6± 11.937.4± 12.3
Sex (m/f ratio)1/0.931/2.751/1.12
Histologic subtype
fibrillary9622118
gemistocytic639
protoplasmic101
oligoastrocytic21324
unknown527
Symptoms (duration, months)23.0± 45.539.6± 11.927.5± 45.5
Epileptic seizures107 (82.9%)26 (86.7%)133 (83.6%)
aura415
simple focal24832
complex focal341448
generalized45348
Focal neurological deficits81 (62.8%)22 (73.3%)103 (64.8%)
Signs of increased intracranial pressure37 (28.7%)9 (30.0%)46 (28.9%)
Tumor location
Lobar11830148
frontal551368
precentral415
postcentral213
parietal15217
temporal421254
occipital011
Basal ganglia606
Insular505
Surgery
GTR64 (49.6%)10 (33.3%)74 (46.6%)
STR44 (34.1%)16 (53.4%)60 (37.7%)
BX21 (16.3%)4 (13.3%)25 (15.7%)