Background
Cost-effectiveness analyses provide meaningful insights to policy decisions only when their results are compared against a benchmark threshold. The Cost-Effectiveness Threshold (CET) represents the maximum acceptable monetary value for achieving a unit of health gain โ typically one Quality-Adjusted Life Year (QALY). Without a clear national CET, reimbursement and pricing decisions risk being inconsistent or economically unsound.
A global review of CETs shows that the average threshold expressed as a percentage of GDP per capita across countries is approximately 135%, ranging from 21% to 300%. The Oman framework adapts this evidence to local policy and payer realities.
Oman’s National CET Framework
Through national expert consultation and Ministry of Health survey conclusions, Oman defined a CET framework linked to GDP per capita and policy priorities.
The Oman framework recommends a baseline of 1.0 ร GDP per capita (OMR) and applies multipliers for relative health gain (IRQG), orphan designation, and priority disease status.
How the Calculator Works
This tool operationalises the Oman CET framework in one equation. It computes IRQG from undiscounted QALYs, applies a continuous IRQG multiplier (1 to 3), applies fixed multipliers for orphan and priority diseases, and compares ICER against the CET.
Reference
Ministry of Health Oman (survey conclusions). Accepted cost-effectiveness thresholds linked to GDP per capita in OMR, with IRQG-based continuous multiplier and fixed multipliers for orphan and priority diseases.
Oman CET Equation
The Oman framework sets a baseline threshold at 1.0 ร GDP per capita (OMR) and applies IRQG, orphan, and priority multipliers.
CET(OMR/QALY) = 1 ร GDP(OMR per capita) ร IRQG_Mult ร Orphan_Mult ร Priority_Mult
Definitions
| Parameter | Definition |
|---|---|
| IRQG | Incremental Relative QALY Gain = (QALYnew - QALYcomparator) / QALYnew |
| IRQG_Mult | Continuous multiplier = min(3, max(1, 1 + 2 ร IRQG)) |
| Orphan_Mult | 2 if orphan medicine, otherwise 1 |
| Priority_Mult | 2 if priority disease (e.g., cancer), otherwise 1 |
Country Parameters
GDP per capita should use latest official OMR value from CBO or NCSI. International conversions are not recommended as the primary source.
Economic Parameters
Enter GDP per capita (OMR)
Source: CBO or NCSI (official)
No FX conversion is used.
Clinical & Cost Inputs
Oman Modifiers
Aggregate multiplier = IRQG_Mult ร Orphan_Mult ร Priority_Mult