TABLE 4

Multivariable Analysis (¹⁸F-FDG Only)

	tSRE				TTP				OS
Parameter	HR	P	R²	C	HR	P	R²	C	HR	P	R²	C
A: SUV_max (n = 28)
SUV_max1 (index lesion)	3.66	4.0E−4	0.379	0.805	2.00	0.021	0.187	0.658	1.38	0.236	0.057	0.563
Unit difference (up to 5 lesions)	4.14	0.006			1.98	0.021			1.11	0.712
B: SUL_peak (n = 28)
SUL_peak1 (index lesion)	2.93	0.004	0.385	0.794	1.98	0.022	0.234	0.650	1.69	0.070	0.106	0.582
Unit difference (up to 5 lesions)	4.14	0.006			2.34	0.004			1.56	0.183

A shows multivariable analysis using ¹⁸F-FDG SUV_max uptake at scan1 plus unit difference in SUV_max for up to 5 lesions. B includes same variables, but for SUL_peak.