Table 1 Clinico-radiological features of 61 low-grade (LG) and high-grade (HG) intramedullary astrocytomas
From: Clinical, radiological and molecular characterization of intramedullary astrocytomas
Variable | Total | LG | HG | Fisher test (except 1) |
|---|---|---|---|---|
n = 61 (%) | n = 46 (%) | n = 15 (%) | ||
Age (mean 32, range 4–73 years) | ||||
< 18 years | 16 (26) | 10 (22) | 6 (40) | p = 0.188 |
≥ 18 years | 45 (74) | 36 (78) | 9 (60) | |
Gender | ||||
Male | 32 (52) | 24 (52) | 8 (53) | p = 1.000 |
Female | 29 (48) | 22 (45) | 7 (47) | |
Tumor location | ||||
Cervical | 18 (30) | 14 (30) | 4 (27) | NA1 |
Cervico-Thoracic | 20 (33) | 16 (35) | 4 (27) | |
Thoracic | 17 (28) | 12 (26) | 5 (33) | |
Thoraco-Lumbar | 4 (7) | 3 (7) | 1 (7) | |
Lumbar | 2 (3) | 1 (2) | 1 (7) | |
Infiltration | ||||
Well-delienated | 12 (27) | 11 (31) | 1 (13) | p = 0.413 |
Infiltrative | 32 (73) | 25 (69) | 7 (87) | |
No data | 17 | 10 | 7 | |
Contrast enhancement | ||||
No | 11 (18) | 9 (20) | 2 (13) | |
Yes | 49 (82) | 36 (80) | 13 (87) | p = 0.713 |
No data | 1 | 1 | 0 | |
Extent of surgical resection | ||||
Gross total resection | 10 (17) | 7 (15) | 3 (25) | p = 0.1492 |
Partial resection | 32 (55) | 24 (52) | 8 (67) | |
Biopsy | 16 (28) | 15 (33) | 1 (8) | |
No data | 3 | 0 | 3 | |
Adjuvant treatments | ||||
No | 45 (75) | 44 (96) | 1 (7) | p = 10−5 |
Yes | 15 (25) | 2 (4) | 13 (93) | |
No data | 1 | 0 | 1 | |