Table 1 Clinicopathological characteristics of the diffusely infiltrating astrocytoma patients (n = 150) according to WHO classification
Variable | Grade II | Grade III | Grade IV | Total |
|---|---|---|---|---|
Number of cases | 25 (16.7%) | 6 (4.0%) | 119 (79.3%) | 150 (100.0%) |
Gender | ||||
Male | 20 (80.0%) | 1 (16.7%) | 66 (55.5%) | 87 (58.0%) |
Female | 5 (20.0%) | 5 (83.3%) | 53 (44.5%) | 63 (42.0%) |
Mean age at time of diagnosis (years) | 40.6 | 46.2 | 58.3 | 54.8 |
Mean survival time (months) | 36.5 | 29.5 | 13.4 | 18.0 |
Alive | ||||
Yes | 9 (36.0%) | 2 (33.3%) | 6 (5.0%) | 17 (11.3%) |
No | 16 (64.0%) | 3 (50.0%) | 108 (90.8%) | 127 (84.7%) |
No information | 0 (0.0%) | 1 (16.7%) | 5 (4.2%) | 6 (4.0%) |
Cause of death | ||||
Glioma | 16 (100.0%) | 3 (100.0%) | 108 (100.0%) | 127 (100.0%) |
Other causes | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | |
Surgical operation | ||||
No | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
Resection | 21 (84.0%) | 6 (100.0%) | 114 (95.8%) | 141 (94.0%) |
Biopsy | 4 (16.0%) | 0 (0.0%) | 4 (3.4%) | 8 (5.3%) |
No information | 0 (0.0%) | 0 (0.0%) | 1 (0.8%) | 1 (0.7%) |