Table 4.

Imaging variables combined with IMDC to see if they improve on the prediction of OS

Model	IMDC	IMDC Combined Model	Fit statistic value (−2LL)
Baseline model with IMDC alone	Significant		181.3
IMDC + Entropy following treatment	Not Significant	Significant	176.4
IMDC + nSD prior to treatment	Not significant	Significant	176.1
IMDC + nSD following treatment	Not significant	Significant	175.3
IMDC + percent change in lesion size	Not significant	Not significant	177.8
IMDC + Entropy change	Not significant	Not significant	177.4

Entries in bold were significant

Abbreviations: nSD size normalized standard deviation, IMDC International Metastatic Renal-Cell Carcinoma Database Consortium Model, OS overall survival