慢性疼痛患者的预后子组使用监督机器学习框架内的潜在变量混合模型
Xiang Zhao1, Katharina Dannenberg2, Dirk Repsilber2
1School of Behavioural, Social and Legal Sciences, Örebro University, Fakultetsgatan 1, 702 81, Örebro, Sweden.
Scientific reports
|May 31, 2024
概括
研究人员使用一种新的机器学习方法在慢性疼痛群体中确定了四个不同的患者子组. 该方法有助于预测长期疼痛结果,并个性化跨学科治疗策略.
科学领域:
- 疼痛医学 医学 疼痛医学
- 计算生物学 计算生物学
- 心理学 心理学 心理学
背景情况:
- 慢性疼痛会影响不同患者群体,预后不同.
- 跨学科治疗是常见的,但患者分层仍然是一个挑战.
- 准确的预后对于有效的疼痛管理至关重要.
研究的目的:
- 确定慢性疼痛患者的有意义的预后子组.
- 开发和验证用于患者分层的机器学习框架.
- 在跨学科疼痛康复中提高预后的准确性.
主要方法:
- 结合监督机器学习与无监督有限混合物建模.
- 利用了来自瑞典疼痛康复质量登记处的11,995名患者的问卷数据.
- 采用嵌套交叉验证程序进行模型选择和性能评估.
主要成果:
- 确定了一个最佳的四类解决方案,代表不同的患者子组.
- 证明这些子组可以根据关键指标进行分离.
- 显示的子组预测了长期疼痛干扰,并与背景特征相关.
结论:
- 这种新的分析方法为慢性疼痛患者分层提供了一个有希望的框架.
- 这种方法可以扩展,以优化预后,并确定临床上有意义的子组.
- 研究结果支持跨学科疼痛治疗的个性化方法.
相关概念视频
Analgesia and Pain Management
579
Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
579
Comparing the Survival Analysis of Two or More Groups
177
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
177


