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Table 2 Mean lung shunt fraction (with standard deviation in parenthesis) corresponding to planar and SPECT/CT scans of the phantom

From: The value of 99mTc-MAA SPECT/CT for lung shunt estimation in 90Y radioembolization: a phantom and patient study

  LSF
Actual 0.0% 3.6% 6.9%
Planar (anterior liver, posterior lung) 1.67% (0.01%) 5.12% (0.03%) 8.21% (0.05%)
Planar (geometric mean) 2.46% (0.02%) 8.17% (0.03%) 13.39% (0.02%)
SPECT/CT without corrections 1.28% (0.01%) 7.15% (0.02%) 12.13% (0.03%)
SPECT/CT with AC 0.67% (0.01%) 3.98% (0.02%) 6.83% (0.03%)
SPECT/CT with AC and SC 0.10% (0.07%) 3.10% (0.01%) 6.22% (0.03%)