目的 分析类风湿因子（RF）、T淋巴细胞亚群（CD3⁺、CD4⁺、CD8⁺、CD4⁺/CD8⁺）与类风湿关节炎病情程度的关系。方法 选取2023年1月—2024年4月收治的90例类风湿关节炎患者作为观察组,同期到院的90例健康体检者为对照组,均接受RF、CD3⁺、CD4⁺、CD8⁺、CD4⁺/CD8⁺检测,并按照类风湿关节炎患者病情评价（DAS28）判定观察组患者病情的严重程度,应用Pearson相关性分析RF、CD3⁺、CD4⁺、CD8⁺、CD4⁺/CD8⁺与患者病情严重程度的关系。结果 与对照组比较,观察组RF及CD8⁺水平较高,CD3⁺、CD4⁺及CD4⁺/CD8⁺水平较低（P<0.05）;不同病情的RF及CD8⁺水平比较,重度患者最高,其次为中度、轻度,而CD3⁺、CD4⁺及CD4⁺/CD8⁺水平比较,轻度患者最高,其次为中度、重度,两两比较均有差异统计学意义（P<0.05）;经Pearson相关性分析,RF及CD8⁺水平与病情程度呈正相关,CD3⁺、CD4⁺及CD4⁺/CD8⁺水平与病情程度呈负相关（P<0.05）。结论 RF、T淋巴细胞亚群指标与类风湿关节炎发生、发展有密切关系,可为医师准确评估患者病情严重程度提供可靠参考。

Objective To analyze the relationship between rheumatoid factor（RF）,T lymphocyte subsets（CD3⁺,CD4⁺,CD8⁺,CD4⁺/CD8⁺）and the severity of rheumatoid arthritis．Methods A total of 90 patients with rheumatoid arthritis from January 2023 to April 2024 were selected as the observation group,and 90 healthy checkup individuals who came to the hospital during the same period were selected as the control group．All patients underwent RF,CD3⁺,CD4⁺,CD8⁺,and CD4⁺/CD8⁺ tests,and the severity of their condition was determined based on the evaluation of rheumatoid arthritis patient condition（DAS28）． Pearson Correlation analysis was used to analyze the relationship between RF,CD3⁺,CD4⁺,CD8⁺,CD4⁺/CD8⁺ and the disease severity of the patients．Results Compared with the control group,RF and CD8⁺ levels in the observation group were higher,while the levels of CD3⁺,CD4⁺ and CD4⁺/CD8⁺ were low（P<0.05）．Comparison of RF and CD8⁺ levels for different conditions,the RF and CD8⁺ levels of the severe patients was highest,followed by moderate and mild．However,the CD3⁺,CD4⁺ and CD4⁺/CD8⁺ levels were highest in mild patients,followed by the moderate and sereve patients．Statistical significance was found in both pairwise comparisons（P<0.05）．After the Pearson correlation analysis,RF and CD8⁺ levels were positively correlated with the degree of disease,while CD3⁺,CD4⁺,and CD4⁺/CD8⁺ levels were inversely associated with the degree of disease condition（P<0.05）．Conclusions RF and T lymphocyte subsets are closely related to the occurrence and development of rheumatoid arthritis,and can provide reliable references for physicians to accurately evaluate the severity of patients' conditions．

目的 观察免疫球蛋白联合甲泼尼龙疗法对自身免疫性脑炎患者T淋巴细胞亚群、免疫球蛋白、白介素-6(IL-6)和CXC趋化因子13(CXC13)水平影响。方法 选取2017年1月—2020年3月本院收治的60例自身免疫性脑炎患者,采用随机数字表法分为观察组30例与对照组30例。对照组给予甲泼尼龙疗法,观察组在对照组结合免疫球蛋白治疗。两组均以4周后评价。比较两组疗效,治疗前后T淋巴细胞亚群、免疫球蛋白、IL-6、CXC13及简易智能精神状态检查量表(MMSE)变化。结果 观察组总有效率(83.33%)高于对照组(60.00%)(P<0.05)。观察组治疗后CD⁺₃、CD⁺₄和CD⁺₄/CD⁺₈高于对照组(P<0.05)。观察组治疗后血清IgA、IgG和IgM水平低于对照组(P<0.05)。观察组治疗后血清IL-6和CXC13水平低于对照组(P<0.05)。观察组治疗后MMSE评分高于对照组(P<0.05)。结论 免疫球蛋白联合甲泼尼龙疗法对自身免疫性脑炎患者疗效良好,且可增强机体细胞和体液免疫功能,降低IL-6和CXC13水平。

Objective To observe the effect of immunoglobulin combined with methylprednisolone on T lymphocyte subsets, immunoglobulin, interleukin-6 (IL-6) and CXC chemokine 13 (CXC13) in patients with autoimmune encephalitis. Methods 60 patients with autoimmune encephalitis admitted to our hospital from January 2017 to March 2020 were divided into 30 cases of observation group and 30 cases of control group. The control group was treated with methylprednisolone, and observation group was treated with immunoglobulin compared with the control group. The course of treatment in both groups was 4 weeks. The effects of the two groups were compared. The changes of T lymphocyte subsets, immunoglobulin, IL-6, CXC13 and MMSE before and after treatment were compared. Results Total effective rate (83.33%) of the observation group was higher than that of control group (60.00%) (P<0.05). After treatment, in the observation group, CD⁺₃, CD⁺₄ and CD⁺₄/CD⁺₈ were higher than that of control group (P<0.05); levels of serum IgA, IgG and IgM were lower than that of control group (P<0.05); serum levels of IL-6 and CXC13 were lower than that of control group (P<0.05); MMSE score was higher than that of control group (P<0.05). Conclusion Immunoglobulin combined with methylprednisolone is effective in the treatment of autoimmune encephalitis. It may enhance the cellular and humoral immune function, and reduce the levels of IL-6 and CXC13.

       目的   分析类风湿因子（RF）、T淋巴细胞亚群（CD3⁺ 、CD4⁺ 、CD8⁺ 、CD4⁺ /CD8⁺ ）与类风湿关节炎病情程度的关系。方法   选取2023年1月—2024年4月收治的90例类风湿关节炎患者作为观察组，同期到院的90例健康体检者为对照组，均接受RF、CD3⁺ 、CD4⁺ 、CD8⁺ 、CD4⁺ /CD8⁺ 检测，并按照类风湿关节炎患者病情评价（DAS28）判定观察组患者病情的严重程度，应用Pearson相关性分析RF、CD3⁺ 、CD4⁺ 、CD8⁺ 、CD4⁺ /CD8⁺ 与患者病情严重程度的关系。结果   与对照组比较，观察组RF及CD8⁺ 水平较高，CD3⁺ 、CD4⁺ 及CD4⁺ /CD8⁺ 水平较低（P＜0.05）；不同病情的RF及CD8⁺ 水平比较，重度患者最高，其次为中度、轻度，而CD3⁺ 、CD4⁺ 及CD4⁺ /CD8⁺ 水平比较，轻度患者最高，其次为中度、重度，两两比较均有差异统计学意义（P＜0.05）；经Pearson相关性分析，RF及CD8⁺ 水平与病情程度呈正相关，CD3⁺ 、CD4⁺ 及CD4⁺ /CD8⁺ 水平与病情程度呈负相关（P＜0.05）。结论  RF、T淋巴细胞亚群指标与类风湿关节炎发生、发展有密切关系，可为医师准确评估患者病情严重程度提供可靠参考。

       Objective  To analyze the relationship between rheumatoid factor（RF），T lymphocyte subsets（CD3⁺ ，CD4⁺ ，CD8⁺ ，CD4⁺ /CD8⁺ ）and the severity of rheumatoid arthritis．Methods  A total of 90 patients with rheumatoid arthritis from January 2023 to April 2024 were selected as the observation group，and 90 healthy checkup individuals who came to the hospital during the same period were selected as the control group．All patients underwent RF，CD3⁺ ，CD4⁺ ，CD8⁺ ，and CD4⁺ /CD8⁺  tests，and the severity of their condition was determined based on the evaluation of rheumatoid arthritis patient condition（DAS28）．Pearson Correlation analysis was used to analyze the relationship between RF，CD3⁺ ，CD4⁺ ，CD8⁺ ，CD4⁺ /CD8⁺  and the disease severity of the patients．Results  Compared with the control group，RF and CD8⁺  levels in the observation group were higher，while the levels of CD3⁺ ，CD4⁺  and CD4⁺ /CD8⁺  were low（P＜0.05）．Comparison of RF and CD8⁺  levels for different conditions，the RF and CD8⁺  levels of the severe patients was highest，followed by moderate and mild．However，the CD3⁺ ，CD4⁺  and CD4⁺ /CD8⁺levels were highest in mild patients，followed by the moderate and sereve patients．Statistical significance was found in both pairwise comparisons（P＜0.05）．After the Pearson correlation analysis，RF and CD8⁺  levels were positively correlated with the degree of disease，while CD3⁺ ，CD4⁺ ，and CD4⁺ /CD8⁺  levels were inversely associated with the degree of disease condition（P＜0.05）．Conclusions  RF and T lymphocyte subsets are closely related to the occurrence and development of rheumatoid arthritis，and can provide reliable references for physicians to accurately evaluate the severity of patients’ conditions．