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Table 2 Mean TTO utility values for disease-related health states in B-precursor ALL (n = 123)

From: Population preference values for health states in relapsed or refractory B-precursor acute lymphoblastic leukemia in the United Kingdom

Health state

Mean TTO utility valuea

TTO SEM

Incrementb

Increment SEM

Complete remission

0.86

0.01

0.56

0.042

Complete remission with partial hematological recovery

0.75

0.02

0.45

0.038

Aplastic bone marrow

0.59

0.02

0.29

0.034

Partial remission

0.50

0.03

0.20

0.032

Progressive disease

0.30

0.04

–

–

  1. Abbreviations: SEM standard error of the mean, TTO time trade-off
  2. aHealth state utility values range from 0 to 1; 0 is death and 1 is perfect health
  3. bProgressive disease was the anchoring health state for calculation of increments