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Table 1 Summary of the acquisition and patient preparation parameters for the local and PPMI databases

From: Computer-aided diagnosis for (123I)FP-CIT imaging: impact on clinical reporting

Parameter Local database PPMI database
Administered activity 167–185 MBq 111–185 MBq
Injection-to-scan delay 3–6 h 3.5–4.5 h
Acquisition time 30 min 30–45 min
Acquisition pixel size 3.68 mm Variable (scanner dependent)
Number of projections 120 (over 360°) 90 or 120 (over 360°)
Energy window 159 keV ± 10% 159 keV ± 10% and 122 keV ± 10%
Collimator LEHR Variable (scanner dependent)