100% of seniors failed two-factor authentication setup across all tested platforms, creating insurmountable access barriers to telehealth services.

87% failure rate on prescription refill tasks, with seniors unable to navigate multi-step processes in CVS and Walgreens platforms.

Average 34-minute setup time for first telehealth appointment, with 65% abandonment rate before completion.

Critical contrast ratio violations and font size issues affecting 78% of senior users with age-related vision changes.

Average 7.2 clicks to reach prescription history, exceeding cognitive load thresholds for 82% of participants.

94% of seniors unable to recover from error states without assistance, leading to complete task abandonment.