High Percentage of Failed ePRO Devices


High Percentage of Failed ePRO Devices
Type of indicator Risk
Risk Category Technology
Golden KRI NO
Therapeutic Area General
IF Risk-Event Electronic Patient-Reported Outcome (ePRO) devices or subjects’ own devices fail or malfunction.
DUE TO Risk Causes Hardware malfunctions, software issues, connectivity problems, or user misunderstanding in completing ePRO entries.
THEN Risk Impact MAY RESULT Incomplete or missing subject-reported data, potentially affecting study data integrity and delaying analysis or decision-making.
Risk Indicator High Percentage of Failed ePRO Devices
Metric Percentage of ePRO Devices that Failed or Experienced Malfunctions
Unit %
What level should be measured Study, Country, Site
Purpose Ensure continuous and reliable collection of subject-reported data using ePRO devices. Detect systemic technical issues early to minimize data loss and maintain study data quality and reliability.
Description This KRI tracks the proportion of ePRO devices that fail or malfunction during data collection. It helps identify technical, logistical, or usability issues that could compromise subject-reported outcomes and study data completeness.
Formula

Calculate the percentage of ePRO devices that failed or malfunctioned:

Failed ePRO Devices (%) = (Number of Subjects with Device Failures / Number of Enrolled Subjects) × 100

Suggested Thresholds - High 5%
Suggested Thresholds - Medium 3%
Associated Metric 1 Number of Enrolled Subjects
Associated Metric 2 Number of Subjects Experiencing ePRO Device Failures
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