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Table 3 Variables associated with the overall survival in the entire cohort: univariate analysis

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  
Gender     
 Male 55 437 372 to 501 0.723
 Female 32 423 362 to 484  
Age (years)     
 ≥60 50 321 166 to 473 0.001
 <60 37 504 327 to 681  
KPS     
 ≤80 33 321 187 to 455 0.005
 >80 54 504 323 to 684  
Chemoradiotherapy     
 Standard 43 498 369 to 627 0.013
 Nonstandard 44 352 229 to 474  
Edema extent     
 Minor 19 599 397 to 956 0.019
 Major 68 411 332 to 489  
Edema shape     
 Roundish 29 591 270 to 962 0.007
 Irregular 58 411 283 to 539  
Necrosis     
 No 16 687 476 to 856 0.000
 Yes 71 410 311 to 510  
Cyst     
 No 67 436 382 to 490 0.73
 Yes 20 391 206 to 575  
Enhancement     
 No obvious 30 573 412 to 734 0.003
 Obvious 57 391 275 to 507  
Tumor crosses midline     
 No 71 436 382 to 490 0.73
 Yes 16 391 206 to 575  
Edema crosses midline     
 No 59 458 417 to 498 0.153
 Yes 28 321 212 to 430  
Size (cm)     
 <5 37 391 226 to 527 0.305
 ≥5 50 458 263 to 652