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Table 6 RCs (%) of different acquisition time

From: Impacts of acquisition and reconstruction parameters on the absolute technetium quantification of the cadmium–zinc–telluride-based SPECT/CT system: a phantom study

  Time (s/frame) 37 mm 28 mm 22 mm 17 mm 13 mm 10 mm
32:1 5 106.95 88.73 62.68 63.13 60.54 65.16
  10 107.95 91.69 65.81 65.90 79.24 56.79
  20 108.60 91.89 71.77 70.44 72.52 65.60
  40 107.65 93.33 72.92 71.78 76.66 79.02
  60 107.80 94.66 73.57 70.86 76.84 71.53
  80 107.03 94.16 72.40 70.76 77.06 71.47
  100 106.92 94.40 72.97 70.94 75.35 68.91
  120 106.70 94.94 73.44 71.06 74.39 67.80
16:1 5 110.31 103.77 75.90 81.12 59.25 43.66
  10 110.49 100.87 77.71 80.73 67.05 35.59
  20 108.68 95.65 77.63 79.50 60.86 66.15
  40 104.55 97.85 75.80 75.59 58.92 65.15
  60 103.98 96.69 74.82 74.33 60.26 65.82
  80 105.21 97.14 74.00 75.02 62.69 70.83
  100 105.83 96.80 73.98 76.75 65.52 74.21
  120 106.57 97.53 75.37 76.64 63.44 75.91
8:1 5 89.75 89.79 74.99 71.09 48.65 98.87
  10 94.57 96.78 72.29 68.26 62.37 65.46
  20 101.43 92.18 78.06 72.69 84.84 92.74
  40 104.44 94.10 77.68 70.95 81.08 56.57
  60 105.14 94.96 74.50 71.64 70.88 53.06
  80 104.39 94.64 73.74 67.25 78.64 57.59
  100 103.85 96.58 72.37 72.04 78.16 54.77
  120 103.58 96.65 73.31 70.98 73.14 54.67
4:1 5 75.02 65.68 60.85 54.83 3.72 20.36
  10 91.33 76.63 72.05 44.15 26.79 18.01
  20 97.88 91.30 69.08 65.61 49.50 93.46
  40 102.02 92.37 74.92 65.15 29.80 55.07
  60 102.09 96.05 71.97 74.78 40.34 78.31
  80 103.36 97.70 71.71 79.94 46.03 77.28
  100 103.17 95.81 74.64 77.40 43.13 73.95
  120 102.89 96.64 75.93 74.79 53.82 67.59
  1. Reconstruction parameters: 35 iterations, 20 subsets, No filter; AC + SC + RR correction. Acquisition parameters: 15% energy window