Table 4 Univariate analyses of variables possibly associated with prognosis.
influence factor | The number of poor prognosis | The number of good prognosis | P value | |
|---|---|---|---|---|
sex | male | 7 | 16 | 0.463 |
female | 6 | 22 | ||
age | ≥60 | 7 | 8 | 0.025 |
<60 | 6 | 30 | ||
The level of tumor | More than C2 | 11 | 10 | <0.001 |
Lower than C2 | 2 | 28 | ||
Tumor size | ≥4 cm | 8 | 2 | <0.001 |
<4 cm | 3 | 36 | ||
Tumor location | Intramedullary | 3 | 6 | 0.552 |
Extramedullary | 10 | 32 | ||
Tumor properties | Benign | 9 | 37 | 0.016 |
malignant | 4 | 1 | ||
surgical resection | GTR | 1 | 25 | <0.001 |
STR | 12 | 13 | ||
tumor multiplicity | Single | 10 | 36 | 0.185 |
More than one | 3 | 2 | ||
tumor morphology | dumbbell | 6 | 22 | 0.463 |
non-dumbbell | 7 | 16 |