TABLE 2

Correlations Between Kinetic Parameters and SUVs

Parameter	Primary tumor and neck node	Primary tumor only	Neck node only
K-Patlak vs. K-FLT-4p	0.896	0.931	0.862
K-Patlak vs. K-FLT-3p	0.987	0.983	0.987
K-Patlak vs. SUV-60	0.987	0.980	0.988
K-Patlak vs. SUV-60 max	0.966	0.972	0.958
K-FLT-4p vs. K-FLT-3p	0.916	0.953	0.873
K-FLT-4p vs. SUV-60	0.910	0.904	0.895
K-FLT-4p vs. SUV-60 max	0.889	0.875	0.873
K-FLT-3p vs. SUV-60	0.969	0.961	0.975
K-FLT-3p vs. SUV-60 max	0.944	0.951	0.939
SUV-60 vs. SUV-60 max	0.987	0.990	0.983

K-FLT-4p = influx parameter as defined in text derived from 4-parameter model fit; K-FLT-3p = influx parameter derived from fit holding k₄ = 0; SUV-60 = mean SUV from 55 to 60 min after initiation of ¹⁸F-FLT infusion; max = maximum value for same region of interest.