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Table 3 Cost-Utility Example: QALYs revisited

From: Problems and solutions in calculating quality-adjusted life years (QALYs)

TREATMENT COST OUTCOMES (QALYs*)
A $1500 3.81
B $1000 1.58
Increment (of A over B) $500 2.23
Incremental cost/Incremental Outcome $500 / 2.23 QALYs = $224.22 per QALY gained
  1. *(3.81 QALYs = 4 years × 0.9 Units of Utility); (1.58 QALYs = 2 years × 0.5 Units of Utility)