TABLE 2

Statistical Comparison Between 2 Methods

MethodSEM (mm)Mean error (mm)Median error (mm)F test between methods
Indirect (A)
 EM mapped onto CT using mapping computed from TR mapped onto CT0.296.225.31
P = 0.0064
Direct (B)
 EM mapped directly onto CT0.6610.607.12
  • EM = emission; TR = transmission.