scoring

评分
  • 文章类型: Journal Article
    增强虚拟筛选富集已成为计算化学中亟待解决的问题,在越来越大的市售化合物数据库的驱动下,体外筛选成本没有相应下降。云计算可以对接这些大型数据库。然而,快速对接需要在评分方面做出妥协,通常导致贫乏的富集和对接结果中大量的假阳性。这项工作描述了一种新的评分函数,该函数由两部分组成-基于知识的组件,可预测特定原子类型在特定受体环境中的概率,以及可调整的权重矩阵,可将概率预测转换为适用于虚拟筛选富集的无量纲分数。这个分数,FitScore,代表配体和结合位点之间的相容性,并且能够在标准化对接测试组中高度富集。
    Enhancing virtual screening enrichment has become an urgent problem in computational chemistry, driven by increasingly large databases of commercially available compounds, without a commensurate drop in in vitro screening costs. Docking these large databases is possible with cloud-scale computing. However, rapid docking necessitates compromises in scoring, often leading to poor enrichment and an abundance of false positives in docking results. This work describes a new scoring function composed of two parts - a knowledge-based component that predicts the probability of a particular atom type being in a particular receptor environment, and a tunable weight matrix that converts the probability predictions into a dimensionless score suitable for virtual screening enrichment. This score, the FitScore, represents the compatibility between the ligand and the binding site and is capable of a high degree of enrichment across standardized docking test sets.
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  • 文章类型: Journal Article
    背景:ChatGPT(OpenAI),最先进的大型语言模型,在各种专业应用中表现出卓越的性能。尽管人工智能越来越受欢迎和有效,很少有研究使用Rasch分析的KIDMAP来评估ChatGPT解决多项选择题(MCQ)的能力,这是一种用于评估ChatGPT在MCQ回答中的表现的网站工具。
    目的:本研究旨在(1)展示网站的实用性(Rasch分析,特别是RaschOnline),和(2)确定ChatGPT与正常样品相比所达到的等级。
    方法:使用2023年台湾高考英语考试的10个项目评估了ChatGPT的能力。在Rasch模型下,对300名正态分布的模拟学生进行了模拟,以与ChatGPT的回答进行竞争。RaschOnline用于生成5个视觉演示,包括项目困难,差分项目功能,项目特性曲线,赖特地图,还有KIDMAP,为了实现研究目标。
    结果:研究结果表明:(1)10个项目的难度以单调的方式从更容易到更难增加,用logits(-2.43,-1.78,-1.48,-0.64,-0.1,0.33,0.59,1.34,1.7和2.47)表示;(2)在第5项的性别组之间观察到不同项目功能的证据(P=.04);(3)第5项显示出与Rasch模型的良好拟合(P=.61);(4)由Infit均方误差低于阈值1.5表示;(5)性别组之间获得的测量结果没有显着差异(P=.83);(6)能力等级之间存在显着差异(P<.001);(7)ChatGPT的能力等级为A,超越等级B到E。
    结论:通过使用RaschOnline,这项研究提供的证据表明,与正常样本相比,ChatGPT具有达到A级的能力。它在回答2023年台湾高考英语考试的MCQ方面表现出出色的能力。
    BACKGROUND: ChatGPT (OpenAI), a state-of-the-art large language model, has exhibited remarkable performance in various specialized applications. Despite the growing popularity and efficacy of artificial intelligence, there is a scarcity of studies that assess ChatGPT\'s competence in addressing multiple-choice questions (MCQs) using KIDMAP of Rasch analysis-a website tool used to evaluate ChatGPT\'s performance in MCQ answering.
    OBJECTIVE: This study aims to (1) showcase the utility of the website (Rasch analysis, specifically RaschOnline), and (2) determine the grade achieved by ChatGPT when compared to a normal sample.
    METHODS: The capability of ChatGPT was evaluated using 10 items from the English tests conducted for Taiwan college entrance examinations in 2023. Under a Rasch model, 300 simulated students with normal distributions were simulated to compete with ChatGPT\'s responses. RaschOnline was used to generate 5 visual presentations, including item difficulties, differential item functioning, item characteristic curve, Wright map, and KIDMAP, to address the research objectives.
    RESULTS: The findings revealed the following: (1) the difficulty of the 10 items increased in a monotonous pattern from easier to harder, represented by logits (-2.43, -1.78, -1.48, -0.64, -0.1, 0.33, 0.59, 1.34, 1.7, and 2.47); (2) evidence of differential item functioning was observed between gender groups for item 5 (P=.04); (3) item 5 displayed a good fit to the Rasch model (P=.61); (4) all items demonstrated a satisfactory fit to the Rasch model, indicated by Infit mean square errors below the threshold of 1.5; (5) no significant difference was found in the measures obtained between gender groups (P=.83); (6) a significant difference was observed among ability grades (P<.001); and (7) ChatGPT\'s capability was graded as A, surpassing grades B to E.
    CONCLUSIONS: By using RaschOnline, this study provides evidence that ChatGPT possesses the ability to achieve a grade A when compared to a normal sample. It exhibits excellent proficiency in answering MCQs from the English tests conducted in 2023 for the Taiwan college entrance examinations.
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  • 文章类型: Journal Article
    床旁肺部超声检查已广泛用于新生儿重症监护病房(NICU)。肺超声评分(LUS)可以预测应用肺表面活性物质(PS)的需要。PS替代疗法是治疗中重度新生儿呼吸窘迫综合征(NRDS)的关键干预措施,早期PS管理在改善患者预后方面发挥积极作用。肺部超声检查有助于迅速诊断NRDS,而LUS提供肺部健康的半定量评估。然而,在临床实践中使用LUS的具体方法仍存在争议.这项研究假设,在出现呼吸窘迫症状的极早产儿[<32孕周(GA)]中,通过产后早期LUS结合临床指标确定PS应用,而不是仅仅依靠临床体征和胸部X光,可以导致更及时的PS管理,减少机械通气时间,改善患者预后,降低支气管肺发育不良(BPD)的发生率。
    这是一个前瞻性的协议,非致盲,随机对照试验将在中国一家医院的NICU进行。符合条件的参与者将包括表现出呼吸窘迫迹象的早产儿(<32周GA)。婴儿将以1:1的比例随机分配到超声组或对照组。在超声组,关于PS给药的决定将基于肺部超声检查和临床表现的组合,而在对照组中,它将仅通过临床体征和胸部X光检查来确定。主要结果测量将是机械通气持续时间。统计分析将采用独立的样本t检验,其显著性水平设置为α=0.05,功效为80%。该研究需要每组30名婴儿(总共60名婴儿)。
    本研究旨在证明基于LUS和临床指标的组合来确定PS应用优于传统方法。
    这种方法可能会提高NRDS诊断的准确性,并有助于早期预测PS需求,从而减少机械通气的持续时间。这项研究的结果可能为使用LUS指导PS管理提供有价值的见解。
    UNASSIGNED: Bedside lung ultrasonography has been widely used in neonatal intensive care units (NICUs). Lung ultrasound scores (LUS) may predict the need for pulmonary surfactant (PS) application. PS replacement therapy is the key intervention for managing moderate to severe neonatal respiratory distress syndrome (NRDS), with early PS administration playing a positive role in improving patient outcomes. Lung ultrasonography aids in the prompt diagnosis of NRDS, while LUS offers a semi-quantitative assessment of lung health. However, the specific methodologies for utilizing LUS in clinical practice remain controversial. This study hypothesizes that, in very preterm infants [<32 weeks gestational age (GA)] exhibiting respiratory distress symptoms, determining PS application through early postnatal LUS combined with clinical indicators, as opposed to relying solely on clinical signs and chest x-rays, can lead to more timely PS administration, reduce mechanical ventilation duration, improve patient outcomes, and lower the occurrence of bronchopulmonary dysplasia (BPD).
    UNASSIGNED: This is a protocol for a prospective, non-blinded, randomized controlled trial that will be conducted in the NICU of a hospital in China. Eligible participants will include very preterm infants (< 32 weeks GA) exhibiting signs of respiratory distress. Infants will be randomly assigned in a 1:1 ratio to either the ultrasound or control group. In the ultrasonography group, the decision regarding PS administration will be based on a combination of lung ultrasonography and clinical manifestations, whereas in the control group, it will be determined solely by clinical signs and chest x-rays. The primary outcome measure will be the mechanical ventilation duration. Statistical analysis will employ independent sample t-tests with a significance level set at α = 0.05 and a power of 80%. The study requires 30 infants per group (in total 60 infants).
    UNASSIGNED: This study aims to demonstrate that determining PS application based on a combination of LUS and clinical indicators is superior to traditional approaches.
    UNASSIGNED: This approach may enhance the accuracy of NRDS diagnosis and facilitate early prediction of PS requirements, thereby reducing the duration of mechanical ventilation. The findings of this research may contribute valuable insights into the use of LUS to guide PS administration.
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  • 文章类型: Journal Article
    背景:许多州已经为高中生和工作人员引入了心肺复苏(CPR)培训任务,以预防心脏猝死(SCD)。然而,这些任务的内容和执行情况大不相同。此外,对这些任务及其影响缺乏全面和客观的评估。
    目的:对全美的CPR培训任务进行全面评估。
    方法:我们根据拟议的CPR标准开发了一种新颖的评分系统,培训和认证要求,和评估当前任务的立法行动。这被用来对所有50个州和哥伦比亚特区的CPR任务进行评分。然后将授权分数与可用的真实世界注册数据进行比较,作为2018年至2021年的效力替代。
    结果:州CPR任务评分范围从0到47,分数越高表明任务越强。中位数和平均值分别为24[IQR19.5-27]和21.52±8.61,35分最高。观察者内变异性为0.986(95%CI0.944-1.028;p<0.001)。实施年份不影响评分强度(R2=-0.173;95%CI-0.447-0.131,p=0.262),SCD率之间的相关性(R2=-0.76;95%CI-0.492-0.367,p=0.742),旁观者开始的心肺复苏(R2=-0.006;95%CI-0.437-0.427,p=0.978),自动体外除颤器使用(R2=-0.125;95%CI-0.528-0.324,p=0.590),或心血管死亡率(R2=-0.13;95%CI-0.379-0.21,p=0.355)未能达到统计学意义。
    结论:适度的评分一致性突出了对稳健的需求,标准化的CPR要求,以潜在地减轻SCD。这项研究为该领域的循证政策制定奠定了基础。
    BACKGROUND: Numerous states have introduced cardiopulmonary resuscitation (CPR) training mandates for high school students and staff to prevent sudden cardiac death (SCD). However, the content and implementation of these mandates vary substantially. Furthermore, a comprehensive and objective assessment of these mandates and their impact is lacking.
    OBJECTIVE: To conduct a thorough evaluation of CPR training mandates across the United States.
    METHODS: We developed a novel scoring system based on proposed CPR standards, training and certification requirements, and legislative action to assess current mandates. This was used to rate the CPR mandates across all 50 states and the District of Columbia. Mandate scores were then compared to available real-world registry data as a surrogate for efficacy from 2018 to 2021.
    RESULTS: State CPR mandate scores ranged from 0 to 47, with a higher score indicating more robust mandates. The median and mean scores were 24 [IQR 19.5-27] and 21.52±8.61, respectively, with 35 being the highest score. Intra-observer variability was 0.986 (95% CI 0.944-1.028; p<0.001). The year of implementation did not influence the strength of the score (R2=-0.173; 95% CI -0.447-0.131, p=0.262), Correlation between SCD rate (R2=-0.76; 95% CI -0.492-0.367, p=0.742), bystander-initiated CPR (R2= -0.006; 95% CI -0.437-0.427, p=0.978), automatic external defibrillator use (R2= -0.125; 95% CI -0.528-0.324, p=0.590), or cardiovascular death rate (R2=-0.13; 95% CI -0.379-0.21, p=0.355) failed to reach statistical significance.
    CONCLUSIONS: Modest scoring consistency highlights the need for robust, standardized CPR requirements to potentially mitigate SCD. This study lays the groundwork for evidence-informed policy development in this area.
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  • 文章类型: Systematic Review
    非计划和紧急护理中的当日紧急护理(SDEC)是NHSE的优先事项。这些服务的最佳使用需要快速识别合适的患者。NHSE建议为此使用一种工具。本系统综述比较了评估SDEC途径选择工具性能的研究。9项研究符合纳入标准。评估了三个分数:Amb分数(7项研究),格拉斯哥入院预测评分(GAPS)(6项研究)和悉尼入院风险分类工具(START)(2项研究)。在评估的人群中存在异质性,使用的排除标准,和用于SDEC适用性的定义,被认为“适合”SDEC的患者比例为20-80%。报告的评分敏感性和特异性介于18-99%和10-89%之间。由于研究之间的异质性,无法比较得分表现。没有研究评估临床实施情况。目前支持使用SDEC特定工具的证据有限,需要进一步评估。
    Same-day emergency care (SDEC) in unplanned and emergency care is an NHS England (NHSE) priority. Optimal use of these services requires rapid identification of suitable patients. NHSE suggests the use of one tool for this purpose. This systematic review compares studies that evaluate the performance of selection tools for SDEC pathways. Nine studies met the inclusion criteria. Three scores were evaluated: the Amb score (seven studies), Glasgow Admission Prediction Score (GAPS) (six studies) and Sydney Triage to Admission Risk Tool (START) (two studies). There was heterogeneity in the populations assessed, exclusion criteria used and definitions used for SDEC suitability, with proportions of patients deemed \'suitable\' for SDEC ranging from 20 to 80%. Reported score sensitivity and specificity ranged between 18-99% and 10-89%. Score performance could not be compared due to heterogeneity between studies. No studies assessed clinical implementation. The current evidence to support the use of a specific tool for SDEC is limited and requires further evaluation.
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  • 文章类型: Journal Article
    有机磷酸盐化合物(OPCs)构成重大健康风险,特别是在资源有限的发展中国家。预测OPCs中毒的结果对于指导临床管理和降低死亡率至关重要。本研究的目的是评估不同评分系统的有效性快速急诊医学评分,多器官功能障碍评分,急性生理和慢性健康评价评分,急性OPCs中毒患者重症监护病房(ICU)入院和死亡率的预测。
    对2022年5月至2023年6月期间收治的Xx毒物控制中心的103名患者进行了横断面研究。录取时采用了评分系统,我们使用受试者工作特征(ROC)曲线分析评估了他们在预测ICU入住需求和死亡率方面的表现.
    大多数患者存活(92.2%)。只有13.6%的患者需要入住ICU。在幸存者和非幸存者之间以及需要入住ICU的患者和未入住ICU的患者之间观察到中位数得分的显着差异。多器官功能障碍评分在预测ICU入院(AUC=0.983)和死亡率(AUC=0.999)方面表现出最高的判别力。
    研究结果强调了使用评分系统的重要性,特别是多器官功能障碍评分,用于预测急性OPCs中毒的不良结局。
    UNASSIGNED: Organophosphate compounds (OPCs) pose significant health risks, especially in developing countries with limited resources. Predicting outcomes in OPCs poisoning is crucial for guiding clinical management and reducing mortality rates. The aim of this study to evaluate the validity of different scoring systems Rapid Emergency Medicine Score, Multiple Organ Dysfunction Score, Acute Physiology and Chronic Health Evaluation Score, and Poison Severity Score in prediction of intensive care unit (ICU) admission and mortality of acute OPCs poisoning patients.
    UNASSIGNED: A cross-sectional study was conducted on 103 patients admitted to Xx Poison Control Center between May 2022 and June 2023. Scoring systems were applied at admission, and their performance in predicting the need for ICU admission and mortality was evaluated using receiver operating characteristic (ROC) curve analysis.
    UNASSIGNED: Most patients survived (92.2%). Only 13.6% of the patients required ICU admission. Significant differences in median scores were observed between survivors and non-survivors and between patients requiring ICU admission and those who did not. Multiple Organ Dysfunction Score exhibited the highest discriminatory power for predicting both ICU admission (AUC = 0.983) and mortality (AUC = 0.999).
    UNASSIGNED: The findings highlight the importance of utilizing scoring systems, particularly Multiple organ dysfunction score, for prediction of poor outcomes of acute OPCs poisoning.
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  • 文章类型: Journal Article
    背景:据报道,根据复发和进展的可能性,有几种分类方法可以对风险组中的非肌肉浸润性膀胱癌(NMIBC)进行分层。
    目的:系统回顾目前关于NMIBC危险分层的证据。
    方法:系统评价按照PRISMA声明进行。提供NMIBC患者复发和/或进展模型和风险分层表的开发和/或外部验证队列数据的研究,纳入报告至少一项歧视测量(AUC或C指数).
    结果:纳入了涉及22,737名患者的25项研究。确定了六种分类,其中三个是预测模型(EORTC,CUETO,EAU2021)和三个基于专家意见(EAU2020,AUA,NCCN)。在大多数研究中存在高偏倚风险。在关于辅助治疗的研究中发现了某些异质性,术后滴注或第二次切除。在纳入的研究中,肿瘤结局的定义没有标准化。CUETO和EORTC评分系统是最有效的。总的来说,验证显示预测复发的辨别能力较差,进步稍好。EAU2021模型高估了卡介苗治疗患者的进展风险。在所有分析的研究中,原位癌的代表性不足。
    结论:现有的分类显示NMIBC患者对复发的辨别能力较差,对进展的辨别能力可能有帮助。这些结果凸显了为NMIBC患者开发新的准确风险模型的未满足需求。结合临床病理和分子信息可以改善。
    BACKGROUND: Several classifications have been reported to stratify non-muscle-invasive bladder cancer (NMIBC) in risk groups according to the probability of recurrence and progression.
    OBJECTIVE: To systematically review the current evidence regarding risk stratification of NMIBC.
    METHODS: The systematic review was performed in accordance with the PRISMA statement. Studies providing data on development and/or external validation cohorts of models and risk stratification tables for recurrence and/or progression for patients with NMIBC, reporting at least one discrimination measure (AUC or C-Index) were included.
    RESULTS: Twenty-five studies involving 22,737 patients were included. Six classifications were identified, three of them were predictive models (EORTC, CUETO, EAU 2021) and three were based on expert opinion (EAU 2020, AUA, NCCN). A high risk of bias was present in the majority of the studies. Certain heterogenicity was found among the studies regarding adjuvant therapy, postoperative instillation or second resection. The definition of oncological outcomes was not standardized in the included studies. CUETO and EORTC scoring systems are the most validated. In general, validations showed a poor discrimination capability to predict recurrence, slightly better for progression. The EAU 2021 model overestimates the risk of progression in patients treated with BCG. Carcinoma in situ is underrepresented in all the studies analyzed.
    CONCLUSIONS: The existing classifications show poor discrimination capability for recurrence and possibly helpful discrimination capability for progression in NMIBC patients. These results highlight the unmet need to develop novel accurate risk models for patients with NMIBC, which could be improved with the combination of clinicopathological and molecular information.
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  • 文章类型: Journal Article
    卵巢癌是一种致命的女性癌症,在标准治疗后有许多化疗耐药性。卵巢癌组织CD44+/CD24-(CSCs),RAD6过表达和DDB2表达不足与化疗耐药相关,复发,肿瘤干细胞(CSCs)的存在导致疾病预后不良。我们试图分析这三种蛋白的表达,同时建立一个预测评分系统,从卵巢癌组织免疫组织化学中预测卵巢癌化疗耐药。
    我们在CiptoMangunkusumo进行了一项队列研究,将64名患者分为两组(每组32名患者),Tarakan,Dharmais,和位于雅加达的Fatmawati医院,印度尼西亚。患者接受了细胞减灭术和组织病理学检查,随后进行了六个系列的化疗,然后进行了六个月的观察。我们通过使用实体瘤反应标准(RECIST)标准将各组分为化学抗性和化学敏感性。然后进行卵巢癌组织免疫组织化学测试以计数CSC,RAD6和DDB2表达式。
    我们发现了增加的CSC之间的关系,RAD6和DDB2在化疗耐药的卵巢癌组织中的表达降低(p<0.05)。建立了一个可能的预测评分系统,称为IHC-UNEDO评分,以帮助卵巢癌化疗耐药预测。
    结论是CSC,RAD6和DDB2的表达与卵巢癌化疗耐药显著相关,IHC-UNEDO评分应被视为预测卵巢癌化疗耐药的工具。
    UNASSIGNED: Ovarian cancer is a deadly women cancer with many chemoresistance after standard treatment. Ovarian cancer tissues\' CD44+/CD24- (CSCs), RAD6 overexpression and DDB2 underexpression are associated with chemoresistance, recurrence, and poor prognosis of the disease because of the existence of cancer stem cells (CSCs). We tried to analyze the expression of those three proteins while building a predictor scoring system to predict the ovarian cancer chemoresistance from the ovarian cancer tissue immunohistochemistry.
    UNASSIGNED: We conducted a cohort study of 64 patients divided into two groups (32 patients in each group) at the Cipto Mangunkusumo, Tarakan, Dharmais, and Fatmawati Hospital which are located in Jakarta city, Indonesia. The patients underwent cytoreductive debulking and histopathological examination continued by six series of chemotherapy followed by six months of observation. We divided the groups into chemoresistant and chemosensitive by using Response Criteria in Solid Tumors (RECIST) criteria. Ovarian cancer tissue immunohistochemistry tests were then performed to count the CSCs, RAD6 and DDB2 expressions.
    UNASSIGNED: We found relationship between increased CSCs, RAD6 and reduced DDB2 (p < 0.05) expression in ovarian cancer tissue with the chemoresistance. A possible predictor scoring system named IHC-UNEDO scoring was built to aid the ovarian cancer chemoresistance prediction.
    UNASSIGNED: The conclusion is that CSCs, RAD6 and DDB2 expressions are significantly associated with ovarian cancer chemoresistance, and IHC-UNEDO scoring should be considered as a tool to predict ovarian cancer chemoresistance.
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  • 文章类型: Journal Article
    德国牙科学校经常使用多项选择考试。然而,缺少有关使用的项目类型和应用的评分方法的详细信息。
    这项研究旨在深入了解当前多项选择项目的使用情况(即,问题)在德国本科牙科培训计划的总结性考试中。
    一份关于所用评估方法的纸质10项问卷,多项选择项类型,并设计了应用评分方法。经过试点测试的问卷于2023年2月邮寄给德国所有30所牙科学校的研究院长和手术/恢复性牙科系主任。使用Fisher精确检验进行统计学分析(P<.05)。
    反应率达90%(27/30牙科学校)。所有受访者的牙科学校都使用多项选择考试进行总结性评估。70%(19/27)的牙科学校以电子方式进行考试。几乎所有牙科学校都使用单选A型项目(24/27,89%),在大约一半的牙科学校中,项目数量最多(13/27,48%)。更多的项目类型(例如,传统的多选项目,多重True-False,和Pick-N)仅被较少的牙科学校使用(≤67%,27所牙科学校中多达18所)。对于多选项目类型,应用的评分方法差异很大(即,授予[中间]部分信贷和部分信贷要求)。可能进行电子考试的牙科学校使用多个选择项目的频率略高(14/19,74%vs4/8,50%)。然而,差异无统计学意义(P=.38).牙科学校单独使用项目或作为关键特征问题,包括临床病例方案,然后是许多侧重于关键治疗步骤的项目(15/27,56%)。没有一所学校使用替代测试方法(例如,答案-直到-正确)。大约一半的牙科学校(15/27,56%)建立了正式的项目审查程序。
    德国牙科学校的总结性评估方法差异很大。尤其是,在多项选择多项选择项的使用和评分方面发现了很大的差异.
    UNASSIGNED: Multiple-choice examinations are frequently used in German dental schools. However, details regarding the used item types and applied scoring methods are lacking.
    UNASSIGNED: This study aims to gain insight into the current use of multiple-choice items (ie, questions) in summative examinations in German undergraduate dental training programs.
    UNASSIGNED: A paper-based 10-item questionnaire regarding the used assessment methods, multiple-choice item types, and applied scoring methods was designed. The pilot-tested questionnaire was mailed to the deans of studies and to the heads of the Department of Operative/Restorative Dentistry at all 30 dental schools in Germany in February 2023. Statistical analysis was performed using the Fisher exact test (P<.05).
    UNASSIGNED: The response rate amounted to 90% (27/30 dental schools). All respondent dental schools used multiple-choice examinations for summative assessments. Examinations were delivered electronically by 70% (19/27) of the dental schools. Almost all dental schools used single-choice Type A items (24/27, 89%), which accounted for the largest number of items in approximately half of the dental schools (13/27, 48%). Further item types (eg, conventional multiple-select items, Multiple-True-False, and Pick-N) were only used by fewer dental schools (≤67%, up to 18 out of 27 dental schools). For the multiple-select item types, the applied scoring methods varied considerably (ie, awarding [intermediate] partial credit and requirements for partial credit). Dental schools with the possibility of electronic examinations used multiple-select items slightly more often (14/19, 74% vs 4/8, 50%). However, this difference was statistically not significant (P=.38). Dental schools used items either individually or as key feature problems consisting of a clinical case scenario followed by a number of items focusing on critical treatment steps (15/27, 56%). Not a single school used alternative testing methods (eg, answer-until-correct). A formal item review process was established at about half of the dental schools (15/27, 56%).
    UNASSIGNED: Summative assessment methods among German dental schools vary widely. Especially, a large variability regarding the use and scoring of multiple-select multiple-choice items was found.
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  • 文章类型: Journal Article
    背景:采用多导睡眠图(PSG)推进睡眠研究的进展受到广泛可用的有限可用性的负面影响,开源睡眠专用分析工具。
    方法:这里,我们介绍计数绵羊PSG,与EEGLAB兼容的信号处理软件,可视化,MATLAB的PSG数据的事件标记和手动睡眠阶段评分。
    结果:主要功能包括:(1)信号处理工具,包括不良通道插值,向下采样,重新引用,过滤,独立成分分析,伪影子空间重建,和功率谱分析,(2)可定制显示多导睡眠图数据和催眠图,(3)事件标记模式包括手动睡眠阶段评分,(4)自动事件检测,包括运动伪影,睡眠纺锤波,慢波和眼球运动,(5)导出主要描述性睡眠结构统计数据,事件统计和可发表的催眠图。
    方法:计数绵羊PSG是建立在sleepSMG(https://sleepsmg。sourceforge.net/)。当前软件的范围和功能在EEGLAB集成/兼容性方面取得了重大进展,预处理,伪影校正,事件检测,功能和易用性。相比之下,商业软件可能是昂贵的,并利用专有的数据格式和算法,从而限制了分发和共享数据和分析结果的能力。
    结论:睡眠研究领域仍然受到抵制标准化的行业的束缚,防止互操作性,内置计划淘汰,维护专有的黑盒数据格式和分析方法。这对睡眠研究领域提出了重大挑战。免费的需要,可以读取开放格式数据的开源软件对于在该领域取得科学进步至关重要。
    BACKGROUND: Progress in advancing sleep research employing polysomnography (PSG) has been negatively impacted by the limited availability of widely available, open-source sleep-specific analysis tools.
    METHODS: Here, we introduce Counting Sheep PSG, an EEGLAB-compatible software for signal processing, visualization, event marking and manual sleep stage scoring of PSG data for MATLAB.
    RESULTS: Key features include: (1) signal processing tools including bad channel interpolation, down-sampling, re-referencing, filtering, independent component analysis, artifact subspace reconstruction, and power spectral analysis, (2) customizable display of polysomnographic data and hypnogram, (3) event marking mode including manual sleep stage scoring, (4) automatic event detections including movement artifact, sleep spindles, slow waves and eye movements, and (5) export of main descriptive sleep architecture statistics, event statistics and publication-ready hypnogram.
    METHODS: Counting Sheep PSG was built on the foundation created by sleepSMG (https://sleepsmg.sourceforge.net/). The scope and functionalities of the current software have made significant advancements in terms of EEGLAB integration/compatibility, preprocessing, artifact correction, event detection, functionality and ease of use. By comparison, commercial software can be costly and utilize proprietary data formats and algorithms, thereby restricting the ability to distribute and share data and analysis results.
    CONCLUSIONS: The field of sleep research remains shackled by an industry that resists standardization, prevents interoperability, builds-in planned obsolescence, maintains proprietary black-box data formats and analysis approaches. This presents a major challenge for the field of sleep research. The need for free, open-source software that can read open-format data is essential for scientific advancement to be made in the field.
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