Calculating a Marginal Cost-Effectiveness Ratio
Strategy | Cost* ($) | Effectiveness (QALY) | Marginal Cost ($) | Marginal Effectiveness (QALY) | Marginal Cost- Effectiveness Ratio ($/QALY) |
|---|---|---|---|---|---|
Analysis 1 (2 strategies) | |||||
No antiarrhythmic therapy | 78,300 | 7.42 | — | — | — |
ICD | 131,400 | 7.87 | 53,100 | 0.45 | 118,000 |
Analysis 2 (3 strategies) | |||||
No antiarrhythmic therapy | 78,300 | 7.42 | — | — | — |
96,800 | 7.69 | 18,500 | 0.27 | 68,519 | |
ICD | 131,400 | 7.87 | 34,600 | 0.18 | 192,222 |
* For illustrative purposes only. | |||||
ICD = implantable cardioverter defibrillator; QALY =quality-adjusted life year. | |||||
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