PDC Proportion of 
Days Covered
(Medication Adherence measure)

PDC - Proportion of Days Covered



Measuring Medication Adherence
What is PCD? / What is PDC threshold?


PDC: The proportion of days in the measurement period "covered" by prescription claims for the same medication or another in its therapeutic category. What is MPR?

PDC threshold (80%): The level of PDC above which the medication has a reasonable likelihood of achieving most of the potential clinical benefit.

Learn More: Download PDC Report (Proportion of Days Covered - PDC - as a Preferred Method of Measuring Medication Adherence) | See e-pill Medication Reminders PRODUCTS | e-pill devices in Clinical Studies



Compare e-pill Locked Automatic Pill Dispensers MD1 MD2 MD2PLUS MD3
Compare e-pill Locked Automatic Pill Dispensers MD1 MD2 MD2PLUS MD3

How does frequency of dosing influence patient compliance?
How does frequency of dosing influence patient compliance?

Professional INFO
Professional INFO

Adherence Tools / Compliance Tools
Adherence Tools / Compliance Tools

MPR Medication Possession Ratio
MPR Medication Possession Ratio

Adherence Test provided by Merck (link)
Adherence Test provided by Merck (link)

Automated Pill Dispenser Saves Cost Savings $5,400 / Automatic Pill Dispenser
Automated Pill Dispenser Saves Cost Savings $5,400 / Automatic Pill Dispenser

Best Medication Dispenser Monitored MedSmart Automatic Pill Dispenser (No Monthly Fees)
Best Medication Dispenser Monitored MedSmart Automatic Pill Dispenser (No Monthly Fees)

Clinical Studies & Clinical Trials using e-Pill Medication Reminders
Clinical Studies & Clinical Trials using e-Pill Medication Reminders

Patient Compliance Medication Adherence STATISTICS
Patient Compliance Medication Adherence STATISTICS

Locked Automatic Medication Dispenser High Pill Capacity
Locked Automatic Medication Dispenser High Pill Capacity

Tamper Proof  Automatic Pill Dispenser Secure Lock
Tamper Proof Automatic Pill Dispenser Secure Lock

Automatic Pill Dispenser Organizer
Automatic Pill Dispenser Organizer

* INDEX: CATEGORIES ePill / e-pill / CADEX Medication Reminders
* INDEX: CATEGORIES ePill / e-pill / CADEX Medication Reminders


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e-pill Medication Reminders is Boston based medical device company. Since 1999 e-pill timers, alarm watches, pill boxes with alarms and pill dispensers have helped patients around the world remember to take medications on time (improve medication adherence / patient compliance).

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