Table 4: Prognostic factors.
| Factor | PFS in months | p-value | OS in months | p-value |
|---|---|---|---|---|
| Age <50 years versus ≥50 years |
13 versus 8 |
0.13 |
14 versus 10 |
0.17 |
| ECOG PS 1 versus 2 versus 3 |
16 versus 10 versus 6 |
0.009 |
16 versus 12 versus 6 |
0.05 |
| Extent of resection GTR versus STR versus Biopsy |
12 versus 11 versus 6 |
0.97 |
13 versus 13 versus 6 |
0.93 |
| RPA score I II versus IV versus V/VI |
16 versus 9 versus 7 |
0.09 |
17 versus 10 versus 12 |
0.09 |
| Group I versus II versus III versus IV |
11 versus 6 versus 11 versus 10 |
0.60 |
13 versus 11 versus 11 versus 21 |
0.73 |
| Tumours Contacting SVZ Yes versus No |
10 versus 11 |
0.66 |
11 versus 13 |
0.67 |
| Temozolomide Adjuvant Yes versus No |
12 versus 8 |
0.003 |
15 versus 8 |
0.00 |
ECOG PS, Eastern Cooperative Oncology Group Performance Status; SVZ, Sub ventricular zone; GTR, Gross total resection; STR, Sub total resection; RPA, Recursive partitioning analysis