Middle Ear Risk Index Updated 2021
MERI Hybrid 2021
Based on the 2021 addition of SPITE and OOPS parameters
New procedure-based risks
Granulation tissue & Effusion now distinct risks
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MERI Hybrid OOPS SPITE 2021
Risk Stratification Update
MERI 2001 vs 2021
Based on the 2021 addition of SPITE and OOPS parameters
| 2001 Risk Categories |
2021 Risk Categories |
| Mild 1-3 |
Mild 1-3 |
| Moderate 4-6 |
Moderate 4-8 |
| Severe 7-12 |
Severe >=9 |
2021 Hybrid additions are highlighted in RED
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