Table 1.
Demographic and clinical information.
| Variable | Value | % |
|---|---|---|
| Sex | ||
| Male | 241 | 52 |
| Female | 221 | 48 |
| Age (years) | ||
| Mean | 51 | |
| Range | 18–89 | |
| Side | ||
| Left | 262 | 57 |
| Right | 200 | 43 |
| Location | ||
| Frontal | 155 | 33.5 |
| Temporal | 94 | 20.4 |
| Insular | 79 | 17.1 |
| Parietal | 134 | 29 |
| Histology | ||
| LGG | 189 | 41 |
| HGG | 170 | 37 |
| Meningioma | 54 | 12 |
| Metastasis | 39 | 8 |
| Other* | 10 | 2 |
| Previous treatment | ||
| Yes | 156 | 44 |
| No | 306 | 66 |
| Type of anesthesia | ||
| Asleep | 273 | 59 |
| Awake | 189 | 41 |
| EOR | ||
| Supratotal | 95 | 20.6 |
| Total | 339 | 73.4 |
| Subtotal | 28 | 6 |
| Partial | 0 | 0 |
*Cavernous angioma (five, 1%), cysts (three, 0.6%), and DNET (two, 0.4%). Previous treatment (surgery).