Phenotypes of patients with systemic sclerosis in the Chinese Han population: A cluster analysis

医学 内科学 星团(航天器) 胃肠病学 硬皮病(真菌) 疾病 人口 系统性硬皮病 病理 环境卫生 计算机科学 接种 程序设计语言
作者
Yaqi Zhao,Wei Xu,Wenfeng Gao,Xinya Li,Baocheng Liu,Suyan Yan,Zhenzhen Ma,Qingrui Yang
出处
期刊:Research Square - Research Square
标识
DOI:10.21203/rs.3.rs-3281711/v1
摘要

Abstract Objective Systemic sclerosis (SSc) is a heterogeneous connective tissue disease that is commonly subdivided into limited cutaneous SSc (lcSSc) and diffuse cutaneous SSc (dcSSc) based on the extent of skin involvement. This subclassification may not reflect the full range of clinical phenotypic variation. This study aimed to investigate clinical features and aggregation of patients with SSc in China based on SSc manifestations and organ involvements. Methods In total 287 SSc patients were included in this cross-sectional study. A cluster analysis was applied according to 13 clinical and serologic variables to determine subgroups of patients. Survival rates between obtained clusters and risk factors affecting prognosis were also compared. Result In this study, six clusters were observed: cluster 1 (n = 66) represented the skin type, with all patients showing skin sclerosis. In cluster 2 (n = 56), most patients had vascular and articular involvement. Cluster 3 (n = 14) individuals mostly had cardiac and pulmonary involvement. In cluster 4 (n = 52), the gastrointestinal type, 50 patients presented with gastritis. In cluster 5 (n = 50), patients barely had any major organ involvement. Cluster 6 (n = 49) included six patients with renal insufficiency, 28 patients with muscle pain and 42 patients with Raynaud’s symptoms. Conclusion The results of our cluster analysis study implied that limiting SSc patient subgroups to those based only on skin involvement might not capture the full heterogeneity of the disease. Organ damage and antibody profiles should be considered when identifying homogeneous patient groups with a specific prognosis.
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