Table 3.

Results of Logistic Regression With Change in Management as the Outcome Variable

	Estimate	Std. Error	z Value	P Value
Intercept	−1.71	0.42	−4.04	<.001
ECOG performance scale	−0.30	0.17	−1.78	.08
Concurrent systemic therapy	−0.77	0.33	−2.35	.02
Corticosteroid	0.15	0.24	0.61	.54
Initial tumor diameter	0.99	0.17	5.97	<.001
Histology: breast cancer	Reference
Histology: colorectal cancer	−17.34	768.78	−0.02	.98
Histology: malign melanoma	0.19	0.50	0.37	.71
Histology: lung cancer	−0.35	0.29	−1.21	.22
Histology: other	−0.65	0.54	−1.21	.23
Histology: renal cell carcinoma	1.25	0.65	1.93	.05
Histology: soft tissue sarcoma	0.68	0.86	0.78	.43
Time between the MRIs	0.05	0.01	3.83	<.001

Abbreviations: ECOG: Eastern Cooperative Oncology Group, MRI, magnetic resonance imaging.