Table 2.
Clinical (Age = age at diagnosis, NPS = Neurological Performance Status, KPS = Karnofsky Performance Status), treatment (GTR = Macroscopic Gross Total Resection, B/STR = Biopsy or Sub-Total Tumor Resection, Dose RT = total dose for radiotherapy treatment, Sequential CHT = TMZ, sequentially administered after the RT-TMZ concomitant course), and biological (EGFR expression and Beclin-1 expression) prognostic factors (Kaplan-Meier method, Survival Analysis).
| n° pts | Progression Disease Free Survival | P-value | Overall Survival | P-value | |
|---|---|---|---|---|---|
| Median (months) | Median (months) | ||||
| Age | |||||
| >50 | 102 | 7 | 0.035 | 11 | 0.04 |
| <50 | 15 | 17 | 18 | ||
| NPS | |||||
| class 1 | 20 | 10 | 15 | ||
| class 2 | 41 | 4 | 0.0001 | 18 | 0.0001 |
| class 3 | 34 | 3 | 11 | ||
| class 4 | 22 | 1 | 5 | ||
| KPS | |||||
| 100–80 | 91 | 9 | 0.001 | 15 | 0.0001 |
| <70 | 26 | 2 | 5 | ||
| Extent of Surgery | |||||
| GTR | 23 | 17 | 0.003 | 30 | 0.001 |
| B/STR | 94 | 5 | 10 | ||
| Dose RT | |||||
| <54 Gy | 36 | 3 | 0.04 | 5 | 0.033 |
| 54–60 Gy | 57 | 7 | 18 | ||
| >60 Gy | 24 | 10 | 16 | ||
| Sequential CHT | |||||
| yes | 61 | 9 | 0.0001 | 15 | 0.0001 |
| no | 56 | 1 | 5 | ||
| Synchronous Multifocality | |||||
| yes | 19 | 4 | 0.002 | 7 | 0.001 |
| no | 98 | 10 | 15 | ||
| MGMT status | |||||
| Methylated | 38 | 20 | 0.002 | 22 | 0.003 |
| Unmethylated | 45 | 4 | 5 | ||
| EGFR expression | |||||
| Low | 49 | 14 | 0.002 | 18 | 0.004 |
| High | 68 | 5 | 9 | ||
| Beclin-1 expression | |||||
| High | 58 | 12 | 0.001 | 15 | 0.001 |
| Low | 59 | 4 | 5 | ||
| EGFR and Beclin1 co-expression | |||||
|
L-EGFR
H-Beclin1 |
24 | 22 | 0.001 | 30 | 0.001 |
| Others | 93 | 8 | 11 |