From: Peritumoral edema shown by MRI predicts poor clinical outcome in glioblastoma
Variables | Number of cases | Overall survival (days) | P -value | |
---|---|---|---|---|
 |  | Median | 95% CI | |
Total | 87 | 435 | 374 to 495 | Â |
Gender | Â | Â | Â | Â |
 Male | 55 | 437 | 372 to 501 | 0.723 |
 Female | 32 | 423 | 362 to 484 |  |
Age (years) | Â | Â | Â | Â |
 ≥60 | 50 | 321 | 166 to 473 | 0.001 |
 <60 | 37 | 504 | 327 to 681 |  |
KPS | Â | Â | Â | Â |
 ≤80 | 33 | 321 | 187 to 455 | 0.005 |
 >80 | 54 | 504 | 323 to 684 |  |
Chemoradiotherapy | Â | Â | Â | Â |
 Standard | 43 | 498 | 369 to 627 | 0.013 |
 Nonstandard | 44 | 352 | 229 to 474 |  |
Edema extent | Â | Â | Â | Â |
 Minor | 19 | 599 | 397 to 956 | 0.019 |
 Major | 68 | 411 | 332 to 489 |  |
Edema shape | Â | Â | Â | Â |
 Roundish | 29 | 591 | 270 to 962 | 0.007 |
 Irregular | 58 | 411 | 283 to 539 |  |
Necrosis | Â | Â | Â | Â |
 No | 16 | 687 | 476 to 856 | 0.000 |
 Yes | 71 | 410 | 311 to 510 |  |
Cyst | Â | Â | Â | Â |
 No | 67 | 436 | 382 to 490 | 0.73 |
 Yes | 20 | 391 | 206 to 575 |  |
Enhancement | Â | Â | Â | Â |
 No obvious | 30 | 573 | 412 to 734 | 0.003 |
 Obvious | 57 | 391 | 275 to 507 |  |
Tumor crosses midline | Â | Â | Â | Â |
 No | 71 | 436 | 382 to 490 | 0.73 |
 Yes | 16 | 391 | 206 to 575 |  |
Edema crosses midline | Â | Â | Â | Â |
 No | 59 | 458 | 417 to 498 | 0.153 |
 Yes | 28 | 321 | 212 to 430 |  |
Size (cm) | Â | Â | Â | Â |
 <5 | 37 | 391 | 226 to 527 | 0.305 |
 ≥5 | 50 | 458 | 263 to 652 |  |