. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: J Comput Assist Tomogr. 2015 Jul-Aug;39(4):607–612. doi: 10.1097/RCT.0000000000000239

Table 5.

Multivariate analysis of MPP and clinicopathological features for OS using Cox regression model

Variables	HR	95%CI	P
MPP without filtration	1.27	1.03, 1.77	0.01
Age	1.00	0.91, 1.11	0.9
Tumor size	0.97	0.63, 1.46	0.8
Grade	2.25	0.23, 53.94	0.5
Necrosis	0.97	0.92, 1.01	0.3