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Health Economics Wiki
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Time Horizon

The period over which costs and outcomes are modelled in a health economic analysis.

Definition

The time horizon should be long enough to capture all relevant differences in costs and outcomes between interventions. For chronic conditions, a lifetime horizon is typically required. Shorter time horizons may miss long-term cost offsets or outcome differences. NICE generally requires a lifetime horizon unless a shorter period can be justified.

Canonical Identity

Version
1.0.0
Published
4/26/2026
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