Table 1.

Model Parameters Used for the Decision Tree, Derived From Data From the Clinical Trial

Variable	Probability of the Event
PET group only
Probability of viremia	0.85
CMV disease in patients with viremia	0.105
CMV disease without viremiaa	0.001
Prophylaxis group only
Probability of CMV disease	0.19
Both groups
Inpatient care for CMV disease	0.79
Outpatient care for CMV disease	0.21

Abbreviations: CMV, cytomegalovirus; PET, preemptive therapy.

^aNo CMV disease was documented in this population.