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EJNMMI Physics

Table 4 Impact of phantom calibration, as given by the % difference of each database before and after calibration

From: [123I]FP-CIT ENC-DAT normal database: the impact of the reconstruction and quantification methods

SBR % difference:

phantom calibration

BRASS

Southampton

FBP (post-pre)

96.0

27.8

IRNC (post-pre)

102.1

33.6

ACSC (post-pre)

67.4

−0.2

  1. With ACSC, this difference represents the phantom recovery of partial volume losses, which is significant for BRASS but not for the Southampton method (p = 0.44)
  2. SBR striatal specific binding ratio
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