Table 1 Base case analysis results over a lifetime horizon.
Strategies | No screening/usual care (A) | Questionnaire screening (B) | Portable spirometer screening (C) |
|---|---|---|---|
Costs (¥) | 24,725 | 24,307 | 24,078 |
Life years | 2.10 | 2.57 | 2.64 |
QALY | 1.37 | 1.69 | 1.74 |
Incremental analysis | B vs. A | C vs. B | C vs. A |
Δ Cost (¥) | −419 | −229 | −647 |
Δ QALY | 0.32 | 0.05 | 0.37 |
ICER | −1,304 dominant | −5,026 dominant | −1,766 dominant |