Table 1. Factors exhibiting clinical relevance.
| Surgical treatment | Biopsy | |
|---|---|---|
| Age (mean) | ||
| 42.21 | 50.61 | |
| p = 0.053 | ||
| Tumor volume (mean) | ||
| 26.28 | 32.13 | |
| p = 0.255 | ||
| Ki-67 proportions (mean) | ||
| 18.95 | 28.35 | |
| p = 0.007 | ||
| Tumor components (n) | ||
| Cystic | 0 | 1 |
| Solid | 8 | 12 |
| Solid & cystic | 11 | 10 |
| p = 0.635 | ||
| Ventricle wall enhancement (n) | ||
| Yes | 0 | 16 |
| No | 19 | 7 |
| p = 2.01E-06 | ||
| Multiple lesions (n) | ||
| Yes | 0 | 7 |
| No | 19 | 16 |
| p = 0.011 | ||
| Brainstem extension (n) | ||
| Yes | 12 | 8 |
| No | 7 | 15 |
| p = 0.128 | ||
| Tumor location (n) | ||
| Anterior | 3 | 2 |
| Lateral | 3 | 1 |
| Lateral posterior inferior | 6 | 4 |
| Medial | 3 | 4 |
| Medial posterior inferior | 2 | 5 |
| Posterosuperior | 2 | 7 |
| p = 0.4 | ||
| Motor symptoms (n) | ||
| Yes | 16 | 23 |
| No | 3 | 0 |
| p = 0.084 | ||
| Sensory symptoms (n) | ||
| Yes | 6 | 8 |
| No | 13 | 15 |
| p = 1.0 | ||
| Language symptoms (n) | ||
| Yes | 1 | 3 |
| No | 18 | 20 |
| p = 0.614 | ||
| Visual symptoms (n) | ||
| Yes | 5 | 5 |
| No | 14 | 18 |
| p = 1.0 | ||
| Cognitive symptoms (n) | ||
| Yes | 10 | 16 |
| No | 9 | 7 |
| p = 0.421 | ||
| MGMT status (n) | ||
| Methylated | 10 | 7 |
| Un-methylated | 9 | 16 |
| p = 0.253 |
Mean values were analyzed using t-test and all other measures were analyzed using the chi-squared or Fisher’s exact tests. Bold indicates significant results(p-value<0.05). MGMT, O6-methylguanine- DNA methyltransferase