Example Calculation Of Proportion Of Days Covered Medications

Proportion of Days Covered (PDC) is a critical metric used to measure medication adherence and gaps in medication therapy. It’s essential for healthcare providers and patients to understand PDC to ensure optimal medication management and improved health outcomes.

How to Use This Calculator

1. Enter the number of days supply for the medication.
2. Enter the number of days supply currently on hand.
3. Enter the number of days supply needed.
4. Click ‘Calculate’ to see the PDC and a visual representation of the data.

Formula & Methodology

The PDC is calculated using the following formula:

PDC = (Days Supply on Hand + Days Supply Needed) / Days Supply * 100

Real-World Examples

Data & Statistics

Medication Adherence Rates by Condition

Condition	Adherence Rate (%)
Hypertension	55.4

Expert Tips

• Set reminders to take medications on time.
• Use pill organizers or medication management apps.
• Regularly review and update medication lists with healthcare providers.

Interactive FAQ

What is a good Proportion of Days Covered (PDC) score?

A PDC score of 80% or higher is generally considered good adherence.

CDC – Medication Use in Outpatient Settings

Medication Adherence: A Review of Definitions, Assessment, and Improvement Strategies