针对智能学习桌开发设计过程中过度依赖生产企业和设计人员的主观判断、缺少用户参与导致用户对于现有产品满意度较低的问题,结合AHP/QFD/FBS模型辅助设计,得到更加贴合用户实际需求的智能学习桌。首先,通过访谈法和问卷调查法获得学习...针对智能学习桌开发设计过程中过度依赖生产企业和设计人员的主观判断、缺少用户参与导致用户对于现有产品满意度较低的问题,结合AHP/QFD/FBS模型辅助设计,得到更加贴合用户实际需求的智能学习桌。首先,通过访谈法和问卷调查法获得学习桌的初始用户需求,利用层次分析法(AHP,Analytic Hierarchy Process)计算得出用户需求权重和优先级;其次,利用QFD(质量功能展开,Quality Function Deployment)将用户需求进行分析得出产品技术特性,进而将其量化得到关键设计要素;将获取的关键设计要素转化为功能导入FBS(Function-Behavior-Structure)模型中完成“功能—行为—结构”映射,得出智能学习桌的关键设计结构。最终输出更加贴合用户实际需求的智能学习桌,并利用模糊综合评价法对设计方案的可行性进行验证。结合AHP-QFD-FBS模型的产品设计方法可以更加有效地将实际用户需求与产品方案相结合,为解决此类问题提供了新的思路。展开更多
BACKGROUND Gastric cancer has a high incidence and fatality rate,and surgery is the preferred course of treatment.Nonetheless,patient survival rates are still low,and the incidence of major postoperative complications...BACKGROUND Gastric cancer has a high incidence and fatality rate,and surgery is the preferred course of treatment.Nonetheless,patient survival rates are still low,and the incidence of major postoperative complications cannot be disregarded.The systemic inflammatory response,nutritional level,and coagulation status are key factors affecting the postoperative recovery and prognosis of gastric cancer patients.The systemic inflammatory response index(SIRI)and the albumin fibrinogen ratio(AFR)are two valuable comprehensive indicators of the severity and prognosis of systemic inflammation in various medical conditions.AIM To assess the clinical importance and prognostic significance of the SIRI scores and the AFR on early postoperative outcomes in patients undergoing radical gastric cancer surgery.METHODS We conducted a retrospective analysis of the clinicopathological characteristics and relevant laboratory indices of 568 gastric cancer patients from January 2018 to December 2019.We calculated and compared two indicators of inflammation and then examined the diagnostic ability of combined SIRI and AFR values for serious early postoperative complications.We scored the patients and categorized them into three groups based on their SIRI and AFR levels.COX analysis was used to compare the three groups of patients the prognostic value of various preoperative SIRI-AFR scores for 5-year overall survival(OS)and disease-free survival(DFS).RESULTS SIRI-AFR scores were an independent risk factor for prognosis[OS:P=0.004;hazards ratio(HR)=3.134;DFS:P<0.001;HR=3.543]and had the highest diagnostic power(area under the curve:0.779;95%confidence interval:0.737-0.820)for early serious complications in patients with gastric cancer.The tumor-node-metastasis stage(P=0.001),perioperative transfusion(P=0.044),positive carcinoembryonic antigen(P=0.014)findings,and major postoperative complications(P=0.011)were factors associated with prognosis.CONCLUSION Preoperative SIRI and AFR values were significantly associated with early postoperative survival and the occurrence of severe complications in gastric cancer patients.展开更多
文摘针对智能学习桌开发设计过程中过度依赖生产企业和设计人员的主观判断、缺少用户参与导致用户对于现有产品满意度较低的问题,结合AHP/QFD/FBS模型辅助设计,得到更加贴合用户实际需求的智能学习桌。首先,通过访谈法和问卷调查法获得学习桌的初始用户需求,利用层次分析法(AHP,Analytic Hierarchy Process)计算得出用户需求权重和优先级;其次,利用QFD(质量功能展开,Quality Function Deployment)将用户需求进行分析得出产品技术特性,进而将其量化得到关键设计要素;将获取的关键设计要素转化为功能导入FBS(Function-Behavior-Structure)模型中完成“功能—行为—结构”映射,得出智能学习桌的关键设计结构。最终输出更加贴合用户实际需求的智能学习桌,并利用模糊综合评价法对设计方案的可行性进行验证。结合AHP-QFD-FBS模型的产品设计方法可以更加有效地将实际用户需求与产品方案相结合,为解决此类问题提供了新的思路。
基金the National Natural Science Foundation of China,No.8236110677Central to guide local scientific and Technological Development,No.ZYYDDFFZZJ-1+1 种基金Natural Science Foundation of Gansu Province,China,No.18JR2RA033Gansu Da Vinci Robot High-End Diagnosis and Treatment Team Construction Project,National Key Research and Development Program,No.2020RCXM076.
文摘BACKGROUND Gastric cancer has a high incidence and fatality rate,and surgery is the preferred course of treatment.Nonetheless,patient survival rates are still low,and the incidence of major postoperative complications cannot be disregarded.The systemic inflammatory response,nutritional level,and coagulation status are key factors affecting the postoperative recovery and prognosis of gastric cancer patients.The systemic inflammatory response index(SIRI)and the albumin fibrinogen ratio(AFR)are two valuable comprehensive indicators of the severity and prognosis of systemic inflammation in various medical conditions.AIM To assess the clinical importance and prognostic significance of the SIRI scores and the AFR on early postoperative outcomes in patients undergoing radical gastric cancer surgery.METHODS We conducted a retrospective analysis of the clinicopathological characteristics and relevant laboratory indices of 568 gastric cancer patients from January 2018 to December 2019.We calculated and compared two indicators of inflammation and then examined the diagnostic ability of combined SIRI and AFR values for serious early postoperative complications.We scored the patients and categorized them into three groups based on their SIRI and AFR levels.COX analysis was used to compare the three groups of patients the prognostic value of various preoperative SIRI-AFR scores for 5-year overall survival(OS)and disease-free survival(DFS).RESULTS SIRI-AFR scores were an independent risk factor for prognosis[OS:P=0.004;hazards ratio(HR)=3.134;DFS:P<0.001;HR=3.543]and had the highest diagnostic power(area under the curve:0.779;95%confidence interval:0.737-0.820)for early serious complications in patients with gastric cancer.The tumor-node-metastasis stage(P=0.001),perioperative transfusion(P=0.044),positive carcinoembryonic antigen(P=0.014)findings,and major postoperative complications(P=0.011)were factors associated with prognosis.CONCLUSION Preoperative SIRI and AFR values were significantly associated with early postoperative survival and the occurrence of severe complications in gastric cancer patients.
