TABLE 2.

Coregistration Accuracy for Intrasubject and Template Matching for Perfusion and Receptor Ligand Studies

Study type	Intrasubject registration*			Template registration*
Study type	Δ_tot (pixels)	Φ_tot (degrees)	Σ_tot (%)	Δ_tot (pixels)	Φ_tot (degrees)	Σ_tot (%)
[^99mTc]ECD
Obs. 1	1.1 (0.6)	3.0 (2.1)	4.4 (2.3)	1.4 (0.6)	3.1 (1.6)	7.8 (3.3)†
Obs. 2	1.0 (0.4)	3.1 (1.8)	3.2 (1.8)	1.3 (0.5)	3.9 (1.7)	4.2 (2.0)
M.I.	0.8 (0.4)	1.0 (0.6)	0.8 (0.3)	0.9 (0.4)	4.2 (3.5)†	3.1 (1.7)†
C.D.	0.9 (0.4)	1.0 (0.6)	1.1 (1.1)	0.9 (0.4)	2.0 (0.7)†	2.2 (1.6)‡
U.I.	0.9 (0.4)	1.1 (0.6)	1.1 (0.3)	3.1 (1.5)	§	§
[¹²³I]IBZM
Obs. 1	1.1 (0.3)	2.8 (1.3)	2.9 (1.5)	1.4 (0.3)	3.8 (1.7)	6.6 (2.1)†
Obs. 2	1.1 (0.4)	2.2 (0.7)	3.1 (2.0)	0.9 (0.2)	2.6 (1.0)	3.7 (2.5)
M.I.	0.9 (0.3)	1.0 (0.6)	1.6 (0.4)	0.9 (0.3)	1.6 (1.0)	1.9 (1.7)
C.D.	0.9 (0.3)	0.9 (0.6)	1.2 (1.3)	1.0 (0.4)	1.2 (1.0)	1.3 (1.2)
U.I.	0.8 (0.3)	1.0 (0.6)	3.4 (5.2)	1.0 (0.4)	1.3 (0.7)	6.7 (4.6)
[¹²³I]β-CIT
Obs. 1	2.1 (1.8)	7.2 (4.2)	7.5 (2.5)	1.9 (1.5)	8.4 (3.0)	7.1 (3.7)
Obs. 2	1.8 (1.6)	8.1 (5.9)	9.5 (6.6)	2.0 (1.6)	7.7 (5.0)	6.5 (4.4)
M.I.	1.3 (1.4)	3.4 (4.7)	§	2.3 (2.2)	8.6 (8.3)	§
C.D.	1.7 (1.5)	6.9 (9.4)	6.7 (7.5)	3.1 (3.3)	§	§
U.I.	4.8 (4.4)	5.7 (4.8)	8.7 (3.9)	§	§	§
[¹²³I]R91150
Obs. 1	1.7 (2.5)	2.5 (1.4)	2.9 (1.9)	1.9 (1.4)	6.9 (3.6)†	7.9 (4.3)†
Obs. 2	1.2 (0.4)	3.2 (1.9)	3.2 (2.0)	1.7 (0.8)‡	6.0 (2.2)†	8.3 (3.6)†
M.I.	0.9 (0.3)	1.1 (0.6)	0.8 (0.3)	0.9 (0.6)	2.9 (1.6)†	3.0 (2.5)†
C.D.	0.9 (0.5)	1.1 (0.6)	0.9 (0.7)	1.3 (0.9)	3.7 (2.4)†	4.3 (3.9)†
U.I.	0.9 (0.3)	1.0 (0.6)	1.6 (0.5)	§	§	§
TCT
Obs. 1	1.3 (1.2)	1.8 (1.0)	2.4 (1.5)	1.3 (0.5)	3.5 (2.3)‡	3.7 (1.8)
Obs. 2	1.1 (0.6)	1.7 (1.1)	2.5 (2.3)	1.6 (0.7)‡	2.5 (1.4)	3.6 (1.9)
M.I.	0.9 (0.4)	1.3 (0.6)	1.6 (2.4)	0.8 (0.3)	4.2 (3.3)†	2.8 (3.0)
C.D.	0.9 (0.4)	1.2 (0.7)	1.0 (0.8)	0.9 (0.4)	2.4 (1.5)†	1.2 (0.7)
U.I.	§	§	§	§	§	§

↵* Values are given as mean and SD.
↵† P < 0.01.
↵‡ P < 0.05.
↵§ Out of limits (>6 pixels or >10° or >10% mismatch).