From: Prognostic factors and multidisciplinary treatment modalities for brain metastases from colorectal cancer: analysis of 93 patients
Multivariate analysis
Variables
Relative risk
95 % CIa
P
Number of BM
0.489
−3.43 ~ 4.56
0.01
Extracranial metastasis
1.418
0.77-2.52
0.03
First treatment
5.471
1.48 ~ 9.45
<0.01