Medication Appropriateness Index (Summated)
Medication Appropriateness Index, summated, for one drug.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Indication
- Appropriate
- Effectiveness
- Appropriate
- Dosage
- Inappropriate
- Directions correct
- Appropriate
- Drug-drug interactions
- Appropriate
- Drug-disease interactions
- Appropriate
- Directions practical
- Appropriate
- Duplication
- Appropriate
- Duration
- Marginally appropriate
- Expense
- Inappropriate
Result: MAI for this drug: 3 of 18.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Indication
- Effectiveness
- Dosage
- Directions correct
- Drug-drug interactions
- Drug-disease interactions
- Directions practical
- Duplication
- Duration
- Expense
- Other drugs' MAI scores for a regimen total (optional)
How this is calculated
Citation
Hanlon JT et al. J Clin Epidemiol. 1992;45:1045; weights Samsa GP et al. J Clin Epidemiol. 1994;47:891. Weights as printed in Hasan SS et al. Medicine. 2017;96:e7929 and Dellinger JK et al. BMC Geriatr. 2020;20:506. Read the sources: Hasan 2017 (weights) ↗, Dellinger 2020 (weights) ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.