Sleep quality and related factors in patients with breast cancer: A cross- sectional study in Taiwan
Researchers studied various factors related to post-treatment sleep disturbances in breast cancer patients. Study participants involved 448 patients diagnosed with breast cancer who received standard treatment (e.g., hormone therapy, chemotherapy). When evaluating the patients for sleep disturbances, the researchers used the Pittsburgh sleep quality index (a self-reported questionnaire which assesses sleep quality and disturbances over a 1-month time interval). The prevalence of sleep disturbances following treatment approached 68%. Also, in patients with sleep disturbances, there was a higher likelihood of having previously suffered from psychological disturbances, severe pain, and depression within 5 years post-diagnosis.
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