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Table 1 Comparison of image quality indices and quantitative accuracy between SSM and SwiftScan SPECT

From: Verification of the effect of acquisition time for SwiftScan on quantitative bone single-photon emission computed tomography using an anthropomorphic phantom

Scan time (min) CV CNR FWHM (mm) MAE
SwiftScan SSM SwiftScan SSM SwiftScan SSM SwiftScan SSM
5 0.15 0.18 5.01 3.55 14.7 ± 1.9 13.5 ± 1.6 38.8 41.8
7 0.14 0.16 6.13 5.65 14.8 ± 1.7 14.4 ± 1.8 38.4 40.8
17 0.12 0.11 13.8 15.7 13.6 ± 1.2 13.5 ± 1.3 48.8 47.2
32 0.10 0.10 15.8 15.4 14.4 ± 0.6 14.2 ± 0.6 48.1 49.8
  1. SSM step and shoot, CV coefficient of variation, CNR contrast-to-noise ratio, FWHM full width at half maximum, MAE mean absolute error