TABLE 4

Ratios of Counts in Lower- and Higher-Energy Windows to Those in Standard-Energy Window for Individual Patients

Anterior–posterior geometric mean ratio*
MethodParticipantLower/standardHigher/standard
CyclotronC15818
C25911
C35613
C46010
C55511
C65715
C75916
C85916
C96318
C106217
C115817
GeneratorG1593
G2515
G3566
G4543
G5533
G6513
G7553
G8574