TABLE 3

Percentage Change of Image Parameters in Phantom Study Compared with Steady Phantom (Reference Standard)

HFAP
ImageIndexContrastMaxSNRVolumeFWHMSlopeFWHMSlope
UncorrectedMean−69.2%−78.6%−72.2%352,1%474.2%−77.9%0.3%−77.3%
SD6.2%18.6%0.2%28.9%33.7%3.9%8.4%2.3%
GatedMean−23.2%−22.3%−54.4%22.0%33.1%−67.2%−0.2%−33.2%
SD1.3%0.5%2.5%11.1%4.4%3.4%4.3%8.5%
CorrectedMean−38.8%−38.5%−33.4%29.8%34.8.%−60.9%12.0%−55.8%
SD2.6%2.8%5.8%22.5%1.8%3.3%14.5%8.7%
  • HF = head–feet direction; AP = anterior–posterior direction; max = lesion maximum.