During the first intervention, pain scores (NRS) showed a decreasing trend during and after rehabilitation, whereas other psychological measures remained unchanged.
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Application of Virtual Reality to Home-Visit Rehabilitation for Patients With Chronic Musculoskeletal Pain: A Single-Group Pre-post Comparison Study.
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The sentences
The lack of a clear trend may be due to factors such as the large degree of variation in individual differences and the extremely small sample size used in this study.