Table 1.
Summary of characteristics | |||
---|---|---|---|
Short term survival (n = 35) | Long term survival (n = 29) | P-value | |
Age in years (range) | 62.6 ± 11.6 (27–83) | 58.5 ± 9.1 (41–79) | 0.114 |
Sex | |||
Male | 21 (60.0%) | 24 (82.8%) | 0.058 |
Female | 14 (40.0%) | 5 (17.2%) | |
CE volume (cm3) | 37.6 ± 28.7 | 22.9 ± 28.7 | 0.004 |
FLAIR volume (cm3) | 109.4 ± 67.6 | 83.4 ± 76.5 | 0.074 |
KPS, n (%) | |||
>70% | 6 (21.4%) | 13 (52.0%) | 0.025 |
Missing | 7 | 4 | |
Extent of resection | |||
Gross-total | 11 (31.4%) | 10 (34.5%) | |
Subtotal | 13 (37.1%) | 14 (48.3%) | |
Laser | 7 (20.0%) | 1 (3.5%) | |
Biopsy | 4 (11.4%) | 4 (13.8%) | |
MGMT status | |||
Methylated | 12 (37.5%) | 13 (52.0%) | 0.297 |
Non-methylated | 20 (62.5%) | 12 (48.0%) | |
Missing | 3 | 4 | |
IDH mutation | |||
Mutated | 0 | 0 | |
Wild type | 34 | 29 | |
Missing | 1 | 0 | |
EGFR amplification | |||
Positive | 6 (30.0%) | 12 (63.2%) | 0.056 |
Negative | 14 (70.0%) | 7 (36.8%) | |
Missing | 15 | 10 | |
Overall survival in days | 242.1 ± 118.0 | 840.9 ± 372.6 | <0.00001 |
STS, short-term survival (<14.6 months); LTS, long-term survival (≥14.6 months); CE, contrast enhancement; FLAIR, fluid-attenuated inversion recovery; KPS, Karnofsky performance status; MGMT, methylguanine methyltransferase; IDH, isocitrate dehydrogenase; EGFR, epidermal growth factor receptor.