强直性脊柱炎病人慢性疼痛潜在类别分析及其影响因素

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Latent class analysis and influencing factors of chronic pain in patients with ankylosing spondylitis

LIU Qianqian， Marchetti*

Taihe Hospital of  Chinese Medicine， Anhui 236600 China

*Corresponding Author  Marchetti， E⁃mail： mkd8638788@163.com

Abstract  Objective：To explore the latent classes of chronic pain in patients with ankylosing spondylitis（AS） and identify its influencing factors.Methods：A total of 177 AS patients treated in our hospital were selected by convenience sampling from January 2022 to November 2023，and the patients were followed up for 3 months.The latent class growth model was used to identify the latent classes of chronic pain in AS patients，and the decision tree model was used to analyze its influencing factors.Results：According to the chronic pain，AS patients could be divided into high⁃pain stable group（35 cases，19.8%） and low-pain reduction group（142 cases，80.2%） group.The decision tree model showed that gender，anxiety and depression，disease duration，exercise days per week，the score of Bath Ankylosing Spondylitis Disease Activity Index，peripheral arthritis and enthesitis were influencing factors of the latent classes of chronic pain in AS patients，among them，the score of Bath Ankylosing Spondylitis Disease Activity Index was the most important  factor  affecting  the  latent classes of chronic pain in AS patients.Conclusions：The chronic pain of AS patients can be divided into  2 latent classes.The gender，anxiety and depression，disease duration，exercise days per week，the score of Bath Ankylosing  Spondylitis  Disease  Activity  Index，peripheral  arthritis and enthesitis are influencing factors of chronic pain in AS patients.

Keywords    ankylosing spondylitis; chronic pain; latent class analysis; influencing factors; decision tree; nursing

摘要  目的：探究强直性脊柱炎（AS）病人慢性疼痛的潜在类别，并分析其影响因素。（剩余8629字）