Table 1.
Comparison of clinical, radiological, pathological and surgical characteristics between IDLGGs and Symptomatic LGGs
| IDLGGs | Symptomatic LGGs | P-value | |
|---|---|---|---|
| No. of cases | 23 | 196 | |
| Reasons for imaging in IDLGGs (%) | |||
| Trauma | 11 (47.8%) | - | |
| Dizziness | 6 (26.1%) | - | |
| Headache | 5 (21.7%) | - | |
| Health checkup | 1 (4.4%) | ||
| Clinical characteristics | |||
| Mean age at diagnosis (years) | 41.9±2.6 | 39.0±0.7 | 0.183 |
| Sex, Male/Female | 13/10 | 117/79 | 0.770 |
| Median preoperative KPS | 100 | 90 | < 0.001 |
| Radiological findings | |||
| Main tumor location | 0.360 | ||
| Frontal | 15 | 120 | |
| Temporal | 3 | 44 | |
| Parietal | 4 | 16 | |
| Occipital | 1 | 5 | |
| Insular | 0 | 11 | |
| Mean tumor volume (cm3) | 23.8±5.1 | 65.3±5.7 | 0.014 |
| Eloquent area involvement (Yes/No) | 2/21 | 112/84 | < 0.001 |
| Extent of resection | 0.037 | ||
| Gross total resection | 21 | 139 | |
| Subtotal or partial resection | 2 | 57 | |
| Pathological classification | < 0.001 | ||
| Grade II Astrocytoma | 6 | 128 | |
| Grade II Oligodendroglioma | 6 | 55 | |
| Grade II Oligoastrocytoma | 11 | 13 |
KPS = Karnofsky performance status.