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Network Analysis of Anxiety in Prostate Cancer Patients
Christopher F Sharpley1,2, Rebecca J Williams1,3, Vicki Bitsika1
1Brain-Behaviour Research Group, University of New England, Armidale, Australia.
Psycho-Oncology
|July 18, 2025
Summary
Anxiety in prostate cancer patients is common. The most central symptom is an inability to control worry, suggesting targeted treatments could improve patient outcomes.
Area of Science:
- Oncology
- Psychiatry
- Network Analysis
Background:
- Prostate cancer (PCa) patients frequently experience anxiety, impacting recovery and relationships.
- Anxiety symptoms can hinder treatment efficacy and patient well-being.
Purpose of the Study:
- To investigate the network structure of Generalised Anxiety Disorder (GAD) symptoms in PCa patients.
- To identify central anxiety symptoms for targeted therapeutic interventions.
Main Methods:
- 425 PCa patients completed the GAD-7 and GAD-10 inventories.
- Network Analysis, Pearson correlation, and ANOVA were employed for data analysis.
Main Results:
- Inability to control worry was identified as the most central GAD symptom.
- Worrying, inability to relax, and restlessness formed a closely associated symptom cluster.
- Sleep disturbances and concentration difficulties were less interconnected within the anxiety network.
Conclusions:
- Aggregate anxiety scores mask the underlying symptom network in PCa patients.
- Identifying the central symptom of uncontrollable worry allows for more personalized anti-anxiety treatments.
- Interventions focusing on 'switching off' worry through engaging in incompatible behaviors are suggested.
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