The development of human settlements(HS)in coastal cities is an integral component and a vital pathway toward building a strong marine power.It is also an essential requirement for achieving the coordinated developmen...The development of human settlements(HS)in coastal cities is an integral component and a vital pathway toward building a strong marine power.It is also an essential requirement for achieving the coordinated development of HS systems in these cities.In this study,we constructed an indicator system to analyze the coupling coordination degree(CCD)of HS systems in coastal cities in the Bohai Rim region of China(CCBRR).This study is based on five systems and employs methods such as the entropy weight method,CCD model,spatial trend surface analysis,and geographic detector to examine comprehensively the spatial and temporal patterns of CCD in 17 CCBRR during the period 2011–2022,as well as to explore their influencing factors.The findings are as follows:(1)Temporally,the CCD is high and exhibits a slow increasing trend,with distinct stage characteristics.(2)Spatially,the distribution of CCD reveals a“one core,many strengths”structural pattern.(3)Moreover,socioeconomic factors are the dominant force driving the CCD of the internal HS systems in the CCBRR.(4)Finally,we constructed a coupling coordination driving mechanism for HS in the CCBRR with the aim of providing scientific references and path choices for the high-quality and coordinated development of the CCBRR along with the implementation of the new quality productive forces regionalization.展开更多
目的评价Kaiser评分对乳腺非肿块强化病变的诊断效能。方法收集2014年1月~2019年6月术前行乳腺3.0 T MRI检查的非肿块强化患者资料,所有病例均经术后病理或穿刺活检证实。以病理结果为金标准,计算并比较Kaiser评分及BI-RADS分类对乳腺...目的评价Kaiser评分对乳腺非肿块强化病变的诊断效能。方法收集2014年1月~2019年6月术前行乳腺3.0 T MRI检查的非肿块强化患者资料,所有病例均经术后病理或穿刺活检证实。以病理结果为金标准,计算并比较Kaiser评分及BI-RADS分类对乳腺非肿块强化病变的诊断效能,比较2种方法诊断结果与病理结果的一致性。结果 88例患者共90个非肿块病灶,良性病变28个(31.1%),恶性病变62个(68.9%)。Kaiser评分诊断的敏感性、特异性、阳性预测值、阴性预测值和准确性分别为100%、75%、89.9%、100%和92%;BI-RADS分类诊断的敏感性、特异性、阳性预测值、阴性预测值和准确性分别为93.5%、46.4%、79.5%、76.5%和78.9%。Kaiser评分诊断特异性(75%)明显高于BI-RADS分类诊断(46.4%),差异有统计学意义(P=0.021)。结论 Kaiser评分系统可以为乳腺非肿块强化病变的BI-RADS分类提供诊断策略,对乳腺非肿块强化病变的诊断效能优于单纯应用BI-RADS分类。对于经验尚浅的影像科医师使用Kaiser评分能够明显提高乳腺非肿块病变的诊断特异性。展开更多
基金National Natural Science Foundation of China,No.42201221,No.42471246Liaoning Province Natural Science Foundation Project,No.2023-MS-254+1 种基金Liaoning Province Social Science Planning Fund Project,No.L22CJY016Dalian Federation of Social Sciences,No.2022dlskzd037。
文摘The development of human settlements(HS)in coastal cities is an integral component and a vital pathway toward building a strong marine power.It is also an essential requirement for achieving the coordinated development of HS systems in these cities.In this study,we constructed an indicator system to analyze the coupling coordination degree(CCD)of HS systems in coastal cities in the Bohai Rim region of China(CCBRR).This study is based on five systems and employs methods such as the entropy weight method,CCD model,spatial trend surface analysis,and geographic detector to examine comprehensively the spatial and temporal patterns of CCD in 17 CCBRR during the period 2011–2022,as well as to explore their influencing factors.The findings are as follows:(1)Temporally,the CCD is high and exhibits a slow increasing trend,with distinct stage characteristics.(2)Spatially,the distribution of CCD reveals a“one core,many strengths”structural pattern.(3)Moreover,socioeconomic factors are the dominant force driving the CCD of the internal HS systems in the CCBRR.(4)Finally,we constructed a coupling coordination driving mechanism for HS in the CCBRR with the aim of providing scientific references and path choices for the high-quality and coordinated development of the CCBRR along with the implementation of the new quality productive forces regionalization.
文摘目的评价Kaiser评分对乳腺非肿块强化病变的诊断效能。方法收集2014年1月~2019年6月术前行乳腺3.0 T MRI检查的非肿块强化患者资料,所有病例均经术后病理或穿刺活检证实。以病理结果为金标准,计算并比较Kaiser评分及BI-RADS分类对乳腺非肿块强化病变的诊断效能,比较2种方法诊断结果与病理结果的一致性。结果 88例患者共90个非肿块病灶,良性病变28个(31.1%),恶性病变62个(68.9%)。Kaiser评分诊断的敏感性、特异性、阳性预测值、阴性预测值和准确性分别为100%、75%、89.9%、100%和92%;BI-RADS分类诊断的敏感性、特异性、阳性预测值、阴性预测值和准确性分别为93.5%、46.4%、79.5%、76.5%和78.9%。Kaiser评分诊断特异性(75%)明显高于BI-RADS分类诊断(46.4%),差异有统计学意义(P=0.021)。结论 Kaiser评分系统可以为乳腺非肿块强化病变的BI-RADS分类提供诊断策略,对乳腺非肿块强化病变的诊断效能优于单纯应用BI-RADS分类。对于经验尚浅的影像科医师使用Kaiser评分能够明显提高乳腺非肿块病变的诊断特异性。
