Table 1.
Summary of patient demographics among 1,033 cases of the intramedullary spinal cord tumors
| Variable | Value |
|---|---|
| Age on admission (yr) | 48.4 (0–88) |
| Sex | |
| Men | 560 (54.2) |
| Women | 473 (45.8) |
| Cases with hereditary disease | |
| Neurofibromatosis, type 1 | 6 (0.6) |
| Neurofibromatosis, type 2 | 16 (1.6) |
| von Hippel-Lindau disease | 74 (7.1) |
| Mean duration of the symptoms (mo) | 22.8 |
| Clinical presentations | |
| Head, neck or back pain | 426 (41.2) |
| Limb pain | 424 (40.9) |
| Limb paresthesia | 882 (85.1) |
| Limb weakness | 686 (66.2) |
| Gait disturbance | 593 (57.2) |
| Bladder/bowel disturbance | 342 (33.0) |
Values are presented as mean (range) or number (%) unless otherwise indicated.