Table 5.

Comparison between dopamine transporter density figures provided by independent SPECT readers.

99mTc-TRODAT binding	N	Reader 1	Reader 2	p
Right striatum	29	0.69 (0.50; 1.06)	0.67 (0.46; 0.98)	0.475
Left striatum	29	0.64 (0.52; 1.08)	0.60 (0.48; 1.00)	0.931
Right caudate nucleus	29	0.97 (0.77; 1.41)	0.85 (0.60; 1.16)	<0.05
Left caudate nucleus	29	1.02 (0.79; 1.63)	0.90 (0.61; 1.45)	<0.01
Right putamen	29	0.56 (0.34; 1.02)	0.61 (0.37; 0.85)	0.424
Left putamen	29	0.52 (0.35; 0.83)	0.57 (0.31; 0.94)	0.489

Data are expressed as median (25^th and 75^th percentiles); Wilcoxon signed rank test; ^99mTc-TRODAT – dopamine transporter radioligand.