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Table 3 Gain in singles rates, coincident rates, and sensitivity for the wristPET2 system with increasing number of detection rings. The reference values in these cases are the values determined from the single half-ring 8-detector system

From: Simulation study of a coincidence detection system for non-invasive determination of arterial blood time-activity curve measurements

Amount of ringsMax singles rate gain (@ peak)Max coincidences gain (@peak)Sensitivity (singles) (cps/kBq)Sensitivity (coincidents) (cps/kBq)
15O
 22.648.84230.114.12
 34.8733.27424.115.52
 47.2972.73635.133.94
18F
 22.6312.10231.852.87
 34.9049.1043111.68
 47.40109.0650.4325.93