Table 1. Clinical characteristics of the patients with WHO grade II gliomas included in the study (n=116).
| Parameter | Number of patients (%) |
|---|---|
| Gender | |
| Male | 76 (65.5) |
| Female | 40 (34.5) |
| Age | |
| Mean (years) | 40.0 years |
| <20 | 3 (2.6) |
| 20–29 | 22 (19.0) |
| 30–39 | 39 (33.6) |
| 40–49 | 23 (19.8) |
| 50–59 | 17 (14.7) |
| ⩾60 | 12 (10.3) |
| Presenting symptoms | |
| Seizures | 95 (81.9) |
| Headache | 8 (6.9) |
| Cognitive dysfunction | 6 (5.2) |
| Others | 7 (6.0) |
| Preoperative KPS | |
| >80 | 78 (67.3) |
| ⩽80 | 38 (32.7) |
| Duration of symptoms before operation (months) | |
| ⩽6 | 72 (62.1) |
| 7–12 | 12 (10.3) |
| 13–24 | 12 (10.3) |
| >24 | 20 (17.3) |
| Surgery | |
| Biopsy only | 37 (31.9) |
| Subtotal resection | 54 (46.5) |
| Gross total resection | 25 (21.6) |
| Radiotherapy | |
| Yes | 104 (89.7) |
| No | 11 (9.5) |
| Uncertain | 1 (0.8) |
Abbreviations: WHO=World Health Organisation; KPS=Karnofsky Performance Status.