Objective:Multiple myeloma(MM)is a hematologically malignant clonal plasma cell disease.This study aims to explore the association between immunophenotypes and prognosis in patients with MM,to determine whether the ex...Objective:Multiple myeloma(MM)is a hematologically malignant clonal plasma cell disease.This study aims to explore the association between immunophenotypes and prognosis in patients with MM,to determine whether the expression of CD45 and CD200 is related to the prognosis of newly diagnosed MM(NDMM)patients,and to evaluate the significance of the combined expression of CD45 and CD200 in NDMM.Methods:A total of 123 NDMM patients admitted to Shengjing Hospital of China Medical University from July 2015 to August 2019 were enrolled.Five key immunophenotypic markers(including CD38,CD138,CD45,CD56,and CD200)were screened through flow cytometry and identified using random forest analysis and univariate Cox regression analysis.Patients were divided into 3 groups:Group A,CD45 and CD200 double-positive;Group B,CD45 or CD200 single-positive;Group C,CD45 and CD200 double-negative.Kaplan-Meier curves were used to analyze overall survival(OS)and progression-free survival(PFS)across groups.Multivariate Cox regression was performed to evaluate prognostic factors,and a nomogram was constructed based on these results.Results:The OS and PFS of single-positive groups for CD38,CD138,CD45,CD56,and CD200 were all shorter than those of their respective single-negative groups(all P<0.05).Significant differences were observed in OS(P<0.001)and PFS(P=0.001)among Groups A,B,and C.Group A had shorter OS and PFS(all P=0.001)compared to the Group B+C(cases from Group B and Group C were combined).CD45 and CD200 double-positive was an independent prognostic factor for NDMM[hazard ratio(HR)=2.178,95%confidence interval(CI)1.048 to 4.529;P=0.037].The nomogram and calibration curves constructed from multivariate Cox regression analysis demonstrated good concordance(concordance index=0.706;95%CI 0.661 to 0.751).Conclusion:NDMM patients with double-positive expression of CD45 and CD200 have significantly shorter OS and PFS.Compared with the use of either marker alone,the combined assessment of CD45 and CD200 may provide better prognostic stratification for MM patients.展开更多
目的:压力性损伤(pressure injury,PI)患者的非正式照顾者的认知及照顾行为水平暂缺科学性测量工具,本研究拟编制PI患者非正式照顾者知信行量表,并对其进行信效度检验。方法:以知信行理论为框架,结合相关文献与专家头脑风暴,拟定量表初...目的:压力性损伤(pressure injury,PI)患者的非正式照顾者的认知及照顾行为水平暂缺科学性测量工具,本研究拟编制PI患者非正式照顾者知信行量表,并对其进行信效度检验。方法:以知信行理论为框架,结合相关文献与专家头脑风暴,拟定量表初始条目池;经过德尔菲专家函询、预调查,形成初始量表。于2023年4至10月便利选取中南大学湘雅三医院住院部及其合作社区、长沙红枫康复医院的PI患者非正式照顾者进行调查,第1次纳入186名、第2次纳入213名进行量表项目分析及信效度检验;间隔3周,随机抽取已调查的20名重测,检验量表的重测信度。结果:PI患者非正式照顾者知信行量表共3个维度,19个条目。总量表内部一致性克龙巴赫α系数为0.916,量表所有条目水平的内容效度指数(item level-content validity index,I-CVI)为0.826~1.000,平均量表水平的内容效度指数(scale level-content validity index/average,S-CVI/Ave)为0.94。探索性因子分析提取3个公因子,累计方差贡献率为64.643%。验证性因子分析显示χ~2/df=2.54,近似误差的均方根(root mean square error of approximation,RMSEA)=0.085,比较拟合指数(comparative fit index,CFI)=0.920,标准化均方根残差(standardized root mean square residual,SRMR)=0.059,模型与数据整体适配良好。结论:PI患者非正式照顾者知信行量表具有较好的信度和效度,可用于非正式照顾者PI知信行水平的评估。展开更多
国际上对癌症生存者的关注始于1986年癌症生存状态联盟(The National Coalition for Cancer Survivorship,NCCS)的成立,随后美国国家科学院医学研究所(Institute of Medicine,IOM)在2005年发布了一份具有里程碑意义的报告[2],强调了癌...国际上对癌症生存者的关注始于1986年癌症生存状态联盟(The National Coalition for Cancer Survivorship,NCCS)的成立,随后美国国家科学院医学研究所(Institute of Medicine,IOM)在2005年发布了一份具有里程碑意义的报告[2],强调了癌症幸存者的生存需求以及卫生保健系统在满足这些需求方面的不足,进一步促进人们对癌症幸存者的关注。展开更多
基金supported by the National Natural Science Foundation,China(81870166).
文摘Objective:Multiple myeloma(MM)is a hematologically malignant clonal plasma cell disease.This study aims to explore the association between immunophenotypes and prognosis in patients with MM,to determine whether the expression of CD45 and CD200 is related to the prognosis of newly diagnosed MM(NDMM)patients,and to evaluate the significance of the combined expression of CD45 and CD200 in NDMM.Methods:A total of 123 NDMM patients admitted to Shengjing Hospital of China Medical University from July 2015 to August 2019 were enrolled.Five key immunophenotypic markers(including CD38,CD138,CD45,CD56,and CD200)were screened through flow cytometry and identified using random forest analysis and univariate Cox regression analysis.Patients were divided into 3 groups:Group A,CD45 and CD200 double-positive;Group B,CD45 or CD200 single-positive;Group C,CD45 and CD200 double-negative.Kaplan-Meier curves were used to analyze overall survival(OS)and progression-free survival(PFS)across groups.Multivariate Cox regression was performed to evaluate prognostic factors,and a nomogram was constructed based on these results.Results:The OS and PFS of single-positive groups for CD38,CD138,CD45,CD56,and CD200 were all shorter than those of their respective single-negative groups(all P<0.05).Significant differences were observed in OS(P<0.001)and PFS(P=0.001)among Groups A,B,and C.Group A had shorter OS and PFS(all P=0.001)compared to the Group B+C(cases from Group B and Group C were combined).CD45 and CD200 double-positive was an independent prognostic factor for NDMM[hazard ratio(HR)=2.178,95%confidence interval(CI)1.048 to 4.529;P=0.037].The nomogram and calibration curves constructed from multivariate Cox regression analysis demonstrated good concordance(concordance index=0.706;95%CI 0.661 to 0.751).Conclusion:NDMM patients with double-positive expression of CD45 and CD200 have significantly shorter OS and PFS.Compared with the use of either marker alone,the combined assessment of CD45 and CD200 may provide better prognostic stratification for MM patients.
文摘目的:压力性损伤(pressure injury,PI)患者的非正式照顾者的认知及照顾行为水平暂缺科学性测量工具,本研究拟编制PI患者非正式照顾者知信行量表,并对其进行信效度检验。方法:以知信行理论为框架,结合相关文献与专家头脑风暴,拟定量表初始条目池;经过德尔菲专家函询、预调查,形成初始量表。于2023年4至10月便利选取中南大学湘雅三医院住院部及其合作社区、长沙红枫康复医院的PI患者非正式照顾者进行调查,第1次纳入186名、第2次纳入213名进行量表项目分析及信效度检验;间隔3周,随机抽取已调查的20名重测,检验量表的重测信度。结果:PI患者非正式照顾者知信行量表共3个维度,19个条目。总量表内部一致性克龙巴赫α系数为0.916,量表所有条目水平的内容效度指数(item level-content validity index,I-CVI)为0.826~1.000,平均量表水平的内容效度指数(scale level-content validity index/average,S-CVI/Ave)为0.94。探索性因子分析提取3个公因子,累计方差贡献率为64.643%。验证性因子分析显示χ~2/df=2.54,近似误差的均方根(root mean square error of approximation,RMSEA)=0.085,比较拟合指数(comparative fit index,CFI)=0.920,标准化均方根残差(standardized root mean square residual,SRMR)=0.059,模型与数据整体适配良好。结论:PI患者非正式照顾者知信行量表具有较好的信度和效度,可用于非正式照顾者PI知信行水平的评估。
文摘国际上对癌症生存者的关注始于1986年癌症生存状态联盟(The National Coalition for Cancer Survivorship,NCCS)的成立,随后美国国家科学院医学研究所(Institute of Medicine,IOM)在2005年发布了一份具有里程碑意义的报告[2],强调了癌症幸存者的生存需求以及卫生保健系统在满足这些需求方面的不足,进一步促进人们对癌症幸存者的关注。
