Table 2:

Means (SD, range) and intraclass coefficients for baseline and intratreatment SUV differences

	Baseline ΔSUV	Intratreatment ΔSUV	Baseline %ΔSUV	Intratreatment %ΔSUV	P Value^{^a}	ICC of SUV1 and 2^{^b}	ICC of SUV2 and 3^{^b}
Primary tumor
SUV_max	2.13 (2.65)	−2.92 (4.43)	12.6 (9.2)	15.2 (22.4)	.56	0.94 (0.76–0.97)	0.67 (0.27–0.87)
SUV_mean	1.27 (1.77)	−1.06 (2.24)	11.4 (10.5)	9.9 (22.6)	.81	0.91 (0.76–0.97)	0.67 (0.26–0.87)
Nodal metastasis
SUV_max	0.87 (0.61)	−1.84 (2.62)	7.6 (5.2)	14.5 (21.6)	.25	0.95 (0.86–0.98)	0.57 (0.11–0.83)
SUV_mean	0.61 (0.46)	−1.29 (1.47)	9.4 (8.0)	15.1 (21.8)	.30	0.93 (0.81–0.97)	0.46 (-0.03–0.78)

↵a P value for the paired test of whether the baseline %ΔSUV is different from the intratreatment %ΔSUV.
↵b SUV1 and 2 represent baseline-baseline ICC. SUV 2 and 3 represent baseline-intratreatment ICC.