Understanding learner behaviour in online courses with Bayesian modelling and time series characterisation by Robert L. Peach, Sam F. Greenbury, Iain G. Johnston, Sophia N. Yaliraki, David J. Lefevre, Mauricio Barahona

“…The application of our data-driven sequence-based analyses to data from learners undertaking an on-line Business Management course reveals distinct behaviors within the cohort of learners, identifying learners or groups of learners that deviate from the nominal order expected in the course. Using course grades a posteriori, we explore differences in behavior between high and low performing learners. …”
Get full text

A survey on students' acceptance towards online reading practice and its impact on students' reading comprehension achievement / Muhammad Aimanuddin Mohd Zaki by Mohd Zaki, Muhammad Aimanuddin

“…A total of 201 respondents who scored good grades (A and B) in ELC 150 course were asked to answer the questionnaires. …”
Get full text

Crowd-Sourced Assessment of Technical Skills: a novel method to evaluate surgical performance. by Chen, C, White, L, Kowalewski, T, Aggarwal, R, Lintott, C, Comstock, B, Kuksenok, K, Aragon, C, Holst, D, Lendvay, T

“…MATERIALS AND METHODS: Institutional Review Board approval was granted to test the accuracy of Amazon.com's Mechanical Turk and Facebook crowdworkers compared with experienced surgical faculty grading a recorded dry-laboratory robotic surgical suturing performance using three performance domains from a validated assessment tool. …”

Automated egg grading system using computer vision: Investigation on weight measure versus shape parameters by Ahmad Fakhri, Ab. Nasir, Siti Suhaila, Sabarudin, Anwar, P. P. Abdul Majeed, Ahmad Shahrizan, Abdul Ghani

“…Firstly, 120 images of chicken eggs of various grades (A–D) produced in Malaysia are captured. Then, the egg images are processed using image pre-processing techniques, such as image cropping, smoothing and segmentation. …”
Get full text

Food safety in food services in Lombardy: proposal for an inspection-scoring model by Claudia M. Balzaretti, Katia Razzini, Silvia Ziviani, Sabrina Ratti, Vesna Milicevic, Luca M. Chiesa, Sara Panseri, Marta Castrica

“…I.A.N protocol consists of a qualitative response according to which we have generated a new protocol with three different grading: A, B and C. The designed checklist was divided into 17 sections. …”
Get full text

Short‐term outcomes of patients undergoing endoscopic submucosal dissection for colorectal lesions by Yuki Nakajima, Daiki Nemoto, Tetsutaro Nemoto, Yosuke Takahata, Masato Aizawa, Kenichi Utano, Noriyuki Isohata, Shungo Endo, Alan Kawarai Lefor, Kazutomo Togashi

“…The primary outcome measure was the occurrence of adverse events stratified by the Clavien‐Dindo classification with five grades. A logistic regression model with the Firth procedure was applied to investigate predictors of severe (grade III or greater) adverse events. …”
Get full text

Measurement properties of assessment tools of Kinesophobia in patients with cardiovascular disease: A systematic review by Yingying Jia, Nianqi Cui, Tingting Jia, Hammza Jabbar Abdl Sattar Hamoudi, Jianping Song

“…The Swedish version and the Chinese version of the Tampa Scale for Kinesiophobia Heart were graded “A.” The remaining instruments were graded “B.” …”
Get full text

Outcomes of Surgical Decompression for Spinal Metastases From Gynecological Cancers: A Retrospective Cohort Study by Luiz Alves Vieira Netto, Luís Felipe Araújo Peres, Nayara Matos Pereira, Alice Jardim Zaccariotti, Vladimir Arruda Zaccariotti, Romulo Alberto Silva Marques, João Batista Arruda, Edésio Martins, Rodrigo Alves de Carvalho Cavalcante2

“…Regarding the preoperative neurological deficits, 16 cases (n=16; 88.9%) presented ASIA graded A–D before the surgery, being reduced to five (n=5; 27.8%) after the procedures. …”
Get full text

Impact of The Endometrioma on Ovarian Response and Pregnancy Rate in In Vitro Fertilization Cycles by Mahnaz Ashrafi, Taravat Fakheri, Kiandokht Kiani, Maria Sadeghi, Mohammad Reza Akhoond

“…Results: Our results showed similar follicle numbers, good embryo grades (A or B) and pregnancy rates in the compared groups. …”
Get full text

Competence and autonomous motivation as motivational predictors of college students’ mathematics achievement: from the perspective of self-determination theory by Cong Wang, Hyun Jin Cho, Benjamin Wiles, Jennifer D. Moss, Emily M. Bonem, Qian Li, Yaheng Lu, Chantal Levesque-Bristol

“…In order to have a nuanced understanding of students’ motivation and learning in Applied Calculus courses, we used three different types of learning measures to investigate students’ mathematics achievement, including course grades, a standardized knowledge exam, and students’ perceived knowledge transferability. …”
Get full text

Residential and Race/Ethnicity Disparities in Heat Vulnerability in the United States by Mitchell Manware, Robert Dubrow, Daniel Carrión, Yiqun Ma, Kai Chen

“…Mean HVI scores were 17.56, 18.61, 19.45, and 19.93 for HOLC grades “A”–“D,” respectively. CEJST‐defined disadvantaged census tracts had a significantly higher mean HVI score (19.13) than non‐disadvantaged tracts (16.68). …”
Get full text

Covid-19: e-Learning as a tool for improving the knowledge by Maria do Carmo Barros de Melo, Unaí Tupinambás, Priscila Menezes Ferri, Solange Cervinho Bicalho Godoy, Rosália Morais Torres, Vitória Andrade Palmeira, Gabriel Rocha, Zilma Silveira Nogueira Reis

“…A paired t-test was used to compare the pre and post-test grades. A p-value <0.05 was considered significant. …”
Get full text

Minimally invasive non-surgical vs. surgical approach for periodontal intrabony defects: a randomised controlled trial by L. Nibali, V. Koidou, S. Salomone, T. Hamborg, R. Allaker, R. Ezra, L. Zou, G. Tsakos, N. Gkranias, N. Donos

“…Inclusion criteria are age 25–70, diagnosis of periodontitis stage III or IV (grades A to C), presence of ≥ 1 ‘intrabony defect’ with probing pocket depth (PPD) > 5 mm and intrabony defect depth ≥ 3 mm. …”
Get full text

Machine Learning Based on Diffusion Kurtosis Imaging Histogram Parameters for Glioma Grading by Liang Jiang, Leilei Zhou, Zhongping Ai, Chaoyong Xiao, Wen Liu, Wen Geng, Huiyou Chen, Zhenyu Xiong, Xindao Yin, Yu-Chen Chen

“…We investigated the ability of different feature reduction methods in support vector machine (SVM)-based diffusion kurtosis imaging (DKI) histogram parameters to distinguish glioma grades. A total of 161 glioma patients who underwent magnetic resonance imaging (MRI) from January 2017 to January 2020 were included retrospectively. …”
Get full text

Correlation between Baseline Conventional Ultrasounds, Shear-Wave Elastography Indicators, and Neoadjuvant Therapy Efficacy in Triple-Negative Breast Cancer by Siyu Wang, Zihan Lan, Xue Wan, Jingyan Liu, Wen Wen, Yulan Peng

“…This retrospective analysis was conducted by extracting baseline US features and SWE parameters, categorizing patients based on postoperative pathological grading. A univariate analysis was employed to determine the relationship between ultrasound indicators and pathological reactions. …”
Get full text

Wearable Electrocardiogram Quality Assessment Using Wavelet Scattering and LSTM by Feifei Liu, Shengxiang Xia, Shoushui Wei, Lei Chen, Yonglian Ren, Xiaofei Ren, Zheng Xu, Sen Ai, Chengyu Liu

“…In the study, a wearable ECG quality database with 50,085 recordings was built, including A/B/C (or high quality/medium quality/low quality) three quality grades (A: high quality signals can be used for CVD detection; B: slight contaminated signals can be used for heart rate extracting; C: heavily polluted signals need to be abandoned). …”
Get full text

Efficacy and safety of robotic spine surgery: systematic review and meta-analysis by Setefilla Luengo-Matos, Luis María Sánchez-Gómez, Ana Isabel Hijas-Gómez, Esther Elena García-Carpintero, Rafael Ballesteros-Massó, Mar Polo-deSantos

“…Pedicle screw placement within the safety zone (grades A + B according to the Gertzbein and Robbins scale) ranged from 93% to 100% in FS versus 85–100% in RS (relative risk 1.01, 95% CI  1.00–1.03, p = 0.14). …”
Get full text

Stratifying esophago-gastric cancer treatment using a patient-derived organoid-based threshold by Tim Schmäche, Juliane Fohgrub, Anna Klimova, Karin Laaber, Stephan Drukewitz, Felix Merboth, Alexander Hennig, Therese Seidlitz, Friederike Herbst, Franziska Baenke, Anne-Marlen Ada, Thomas Groß, Carina Wenzel, Claudia R. Ball, Christian Praetorius, Thomas Schmidt, Barbara Ringelband-Schilling, Ronald Koschny, Albrecht Stenzinger, Ingo Roeder, Dirk Jaeger, Sebastian Zeissig, Thilo Welsch, Daniela Aust, Hanno Glimm, Gunnar Folprecht, Jürgen Weitz, Georg M. Haag, Daniel E. Stange

“…PDOs' response towards the single substances of the FLOT regimen and the combination treatment were correlated to patients' pathological response using tumor regression grading. A classifier based on FLOT response of PDOs was established in an exploratory cohort (n = 13) and subsequently confirmed in an independent validation cohort (n = 13). …”
Get full text

A new software for automated counting of glistenings in intraocular lenses in vivo by Nick Stanojcic, Christopher C. Hull, Eduardo Mangieri, Nathan Little, David O'Brart

“…The images of one randomly selected eye from each of 34 participants were used as a training set to determine the threshold setting that gave the best agreement between manual and automatic grading. A second set of 63 images, selected using randomised stratified sampling from 290 images, were used for software validation. …”
Get full text

Clinical Characteristics, Surgical Outcomes, and Risk Factors for Emergency Surgery in Patients With Spinal Metastases: A Prospective Cohort Study by Yutaro Kanda, Kenichiro Kakutani, Yoshitada Sakai, Takashi Yurube, Yoshiki Takeoka, Kunihiko Miyazaki, Hiroki Ohnishi, Tomoya Matsuo, Masao Ryu, Naotoshi Kumagai, Kohei Kuroshima, Yoshiaki Hiranaka, Ryosuke Kuroda

“…The multivariate analysis showed that lesions located at T3–10 (p = 0.002; odds ratio [OR], 2.92; 95% confidence interval [CI], 1.48–5.75) and Frankel grades A–C (p < 0.001; OR, 4.91; 95% CI, 2.45–9.86) were independent risk factors for emergency surgery. …”
Get full text