Table 1 Description of the characteristics of the patients (N = 53)
Variable | n (%) | Mean ± SD |
|---|---|---|
Age (years) | 30.7 ± 15.96 years | |
≤ 19 | 17 (32.1) | |
20–29 | 13 (24.5) | |
30–39 | 9 (17.0) | |
40–49 | 5 (9.4) | |
≥ 50 | 9 (17.0) | |
Sex | ||
Male | 29 (54.7) | |
Female | 24 (45.3) | |
Anatomical classification of the lesions | ||
Extradural | 19 (35.8) | |
Intradural extramedullary | 22 (41.5) | |
Intradural Intramedullary | 12 (22.6) | |
Area of the spine bone involved | ||
Cervical | 8 (15.1) | |
Thoracic | 28 (52.8) | |
Lumbar | 8 (15.1) | |
Thoracolumbar | 4 (7.5) | |
Others | 5 (9.4) | |
Behaviour of the lesions | ||
Benign and neoplastic | 32 (60.4) | |
Benign and non-neoplastic | 2 (3.8) | |
Malignant | 19 (35.8) | |
Duration of onset of symptoms | ||
Benign cases | 13.1 ± 16.4 years | |
Malignant cases | 3.4 ± 2.8 years | |
WHO grading for related tumours | ||
I of IV (pilocytic astrocytoma) | 2 (3.8) | |
II of IV (ependymoma) | 2 (3.8) | |
Nurick scale | ||
I | 8 (15.1) | |
II | 14 (26.4) | |
III | 5 (9.4) | |
IV | 17 (32.1) | |
V | 9 (17.0) |