Non-recognition of depression and other non-motor symptoms in Parkinson's disease

Standardized testing revealed 44% of patients with Parkinson's disease experienced depression.

• The prevalence of depression, anxiety, fatigue, and sleep disturbances was identified in 44%, 39%, 42%, and 43% of patients, respectively.
• Neurologists identified these conditions at lower rates: 21% for depression, 19% for anxiety, 14% for fatigue, and 39% for sleep disturbance.
• Diagnostic accuracy for neurologists was 35% for depression, 42% for anxiety, 25% for fatigue, and 60% for sleep disturbance.
• More than half of the patients with depression, anxiety, and fatigue were not recognized by their neurologists.
• Awareness of these underrecognition rates may lead to improved diagnostic accuracy and timely interventions.

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