bluuebunny/crossref_metadata_2025_split huggingface dataset:
Impact of Smoking Status on Perioperative Morbidity, Mortality, and Long-Term Survival Following Transthoracic Esophagectomy for Esophageal Cancer
Authors: Kamarajah Sivesh K. , Madhavan Anantha , Chmelo Jakub , Navidi Maziar , Wahed Shajahan , Immanuel Arul , Hayes Nick , Griffin S. Michael , Phillips Alexander W. 
Published: March 2021

Abstract
Introduction
Esophagectomy is a key component in the curative treatment of esophageal cancer. Little is understood about the impact of smoking status on perioperative morbidity and mortality and the long-term outcome of patients following esophagectomy.

Objective
This study aimed to evaluate morbidity and mortality according to smoking status in patients undergoing esophagectomy for esophageal cancer.

Methods
Consecutive patients undergoing two-stage transthoracic esophagectomy (TTE) for esophageal cancers (adenocarcinoma or squamous cell carcinoma) between January 1997 and December 2016 at the Northern Oesophagogastric Unit were included from a prospectively maintained database. The main explanatory variable was smoking status, defined as current smoker, ex-smoker, and non-smoker. The primary outcome was overall survival (OS), while secondary outcomes included perioperative complications (overall, anastomotic leaks, and pulmonary complications) and survival (cancer-specific survival [CSS], recurrence-free survival [RFS]).

Results
During the study period, 1168 patients underwent esophagectomy for cancer. Of these, 24% (n = 282) were current smokers and only 30% (n = 356) had never smoked. The median OS of current smokers was significantly shorter than ex-smokers and non-smokers (median 36 vs. 42 vs. 48 months; p = 0.015). However, on adjusted analysis, there was no significant difference in long-term OS between smoking status in the entire cohort. The overall complication rates were significantly higher with current smokers compared with ex-smokers or non-smokers (73% vs. 66% vs. 62%; p = 0.018), and there were no significant differences in anastomotic leaks and pulmonary complications between the groups. On subgroup analysis by receipt of neoadjuvant therapy and tumor histology, smoking status did not impact long-term survival in adjusted multivariable analyses.

Conclusion
Although smoking is associated with higher rates of short-term perioperative morbidity, it does not affect long-term OS, CSS, and RFS following esophagectomy for esophageal cancer. Therefore, implementation of perioperative pathways to optimize patients may help reduce the risk of complications.
Sports Medicine-Related Breast and Chest Conditions—Update of Current Literature
Authors: Obourn Peter J. , Benoit Janeeka , Brady Geena , Campbell Elisabeth , Rizzone Katherine 
Published: March 2021

Abstract
This article reviews the most up-to-date evidence-based recommendations pertaining to breast and upper chest conditions, specifically for the sports medicine physician. Because of the unique circumstances of the team physician, they can see a wide breadth of pathology. Athletes may not have a primary care physician and may prefer to present to their team physician for breast and upper chest conditions. It is often more comfortable and convenient for athletes to seek treatment in the team setting. Therefore, it is important that the medical professional be aware of not only common pathology but also of that which is rarer. Any delay in evaluation can result in unnecessary morbidity and lead to complications or extended time lost from sport. Consequently, it also is important to facilitate an atmosphere encouraging early presentation and workup.
Modeling Soil-Metal Sliding Resistance
Authors: Robbins Donald H. , Johnson Clarence E. , Schafer Robert L. , Way Thomas R. 
Published: March 2021

HighlightsA model was developed to express soil-metal sliding resistance in terms of normal stress and sliding path length.Soil-metal sliding resistance data, different from those used to develop the model, were acceptably simulated.The model is expected to be useful in the design and development of soil-engaging equipment.Abstract. Most previous soil-material sliding resistance studies have focused on the measurement and formulation of only qualitative relationships between sliding resistance and the material type, applied normal stress, sliding path length, and/or soil-properties. Few studies have attempted to formulate quantitative mathematical relationships between soil-material sliding resistance and these factors, or to mathematically express the relative contributions of the frictional and adhesive components to the total sliding resistance. In this study, a mathematical model was developed to express the components of soil-metal sliding resistance for a clay soil as functions of applied normal stress and sliding path length. The model is restricted to soil containing enough moisture to exhibit cohesive strength, but not so much moisture to exhibit gross plastic behavior. Soil-metal sliding resistance data, different from those used to develop the model, were acceptably simulated, as the mean square error between the simulated sliding resistance and the measured sliding resistance ranged from 0.653 to 2.44. Keywords: Adhesion, Friction, Normal stress, Sliding path length, Sliding resistance.
A Proposed Method for Quantifying Thermal Exposure Incurred during Rough-Rice Drying
Authors: Graham-Acquaah Seth , Siebenmorgen Terry J. 
Published: March 2021

HighlightsDrying conditions affect rice end-use functionality.Thermal exposure incurred by rough rice may differ depending on drying conditions.A framework is proposed for deriving an index that can show how much heat exposure rough rice incurs during drying.Abstract. Heated air is used to dry most rice in the U.S. Thus, commercial rice drying can be considered a thermal process that aims to remove moisture from rough rice until a desired moisture content is reached. Parallels can be drawn between rice drying and thermal sterilization that is targeted at reducing microbial load because moisture content reduction during drying follows similar decay rate kinetics as the reduction in microbial load during thermal sterilization. Given the different combinations of drying air conditions (air temperature and relative humidity), as well as drying and tempering durations, employed in various dryer designs for rice drying and the impact that these conditions have on rice end-use functionality, this study sought to derive a thermal treatment index (drying process values) that is similar to the F0 value concept used in thermal sterilization for quantifying and comparing the thermal exposure incurred by rice during drying under various scenarios. Using data collected from rough-rice drying experiments, a decimal desorption value (Dmv) that represents the duration required to cause a 90% reduction in moisture ratio during drying at a specified temperature was determined, from which a thermal desorption constant (Zmv) that represents the increase in temperature necessary to cause a 90% reduction in Dmv during drying was established. Subsequently, a thermal desorption value (Fmv) was derived to express the duration that a rice lot would have been heat treated at a reference temperature during drying to produce an equivalent effect on moisture content as that produced by the actual drying process. Keywords: End use, Moisture content, Peak viscosity, Postharvest, Relative humidity, Rice, Temperature.
Reducing underreporting of abortion in surveys: Results from two test applications of the list experiment method in Malawi and Senegal
Authors: Moseson Heidi , Jayaweera Ruvani , Huber-Krum Sarah , Garver Sarah , Norris Alison , Gerdts Caitlin 
Published: March 2021

Background
Accurately measuring abortion incidence poses many challenges. The list experiment is a method designed to increase the reporting of sensitive or stigmatized behaviors in surveys, but has only recently been applied to the measurement of abortion. To further test the utility of the list experiment for measuring abortion incidence, we conducted list experiments in two countries, over two time periods.

Materials and methods
The list experiment is an indirect method of measuring sensitive experiences that protects respondent confidentiality by hiding individual responses to a binary sensitive item (i.e., abortion) by combining this response with answers to other non-sensitive binary control items. Respondents report the number of list items that apply to them, not which ones. We conducted a list experiment to measure cumulative lifetime incidence of abortion in Malawi, and separately to measure cumulative five-year incidence of abortion in Senegal, among cisgender women of reproductive age.

Results
Among 810 eligible respondents in Malawi, list experiment results estimated a cumulative lifetime incidence of abortion of 0.9% (95%CI: 0.0, 7.6). Among 1016 eligible respondents in Senegal, list experiment estimates indicated a cumulative five-year incidence of abortion of 2.8% (95%CI: 0.0, 10.4) which, while lower than anticipated, is seven times the proportion estimated from a direct question on abortion (0.4%).

Conclusions
Two test applications of the list experiment to measure abortion experiences in Malawi and Senegal likely underestimated abortion incidence. Future efforts should include context-specific formative qualitative research for the development and selection of list items, enumerator training, and method delivery to assess if and how these changes can improve method performance.
Socioeconomic, racial and ethnic differences in patient experience of clinician empathy: Results of a systematic review and meta-analysis
Authors: Roberts Brian W. , Puri Nitin K. , Trzeciak Christian J. , Mazzarelli Anthony J. , Trzeciak Stephen 
Published: March 2021

IntroductionEmpathy is essential for high quality health care. Health care disparities may reflect a systemic lack of empathy for disadvantaged people; however, few data exist on disparities in patient experience of empathy during face-to-face health care encounters with individual clinicians. We systematically analyzed the literature to test if socioeconomic status (SES) and race/ethnicity disparities exist in patient-reported experience of clinician empathy.MethodsUsing a published protocol, we searched Ovid MEDLINE, PubMed, CINAHL, EMBASE, CENTRAL and PsychINFO for studies using the Consultation and Relational Empathy (CARE) Measure, which to date is the most commonly used and well-validated methodology for measuring clinician empathy from the patient perspective. We included studies containing CARE Measure data stratified by SES and/or race/ethnicity. We contacted authors to request stratified data, when necessary. We performed quantitative meta-analyses using random effects models to test for empathy differences by SES and race/ethnicity.ResultsEighteen studies (n = 9,708 patients) were included. We found that, compared to patients whose SES was not low, low SES patients experienced lower empathy from clinicians (mean difference = -0.87 [95% confidence interval -1.72 to -0.02]). Compared to white patients, empathy scores were numerically lower for patients of multiple race/ethnicity groups (Black/African American, Asian, Native American, and all non-whites combined) but none of these differences reached statistical significance.ConclusionThese data suggest an empathy gap may exist for patients with low SES. More research is needed to further test for SES and race/ethnicity disparities in clinician empathy and help promote health care equity.Trial registrationRegistration (PROSPERO):CRD42019142809.
Time series analysis of the demand for COVID-19 related chest imaging during the first wave of the SARS-CoV-2 pandemic: An explorative study
Authors: Koehler Daniel , Ozga Ann-Kathrin , Molwitz Isabel , May Philipp , Görich Hanna Maria , Keller Sarah , Adam Gerhard , Yamamura Jin 
Published: March 2021

Objectives
The aim of this study was to investigate possible patterns of demand for chest imaging during the first wave of the SARS-CoV-2 pandemic and derive a decision aid for the allocation of resources in future pandemic challenges.

Materials and methods
Time data of requests for patients with suspected or confirmed coronavirus disease 2019 (COVID-19) lung disease were analyzed between February 27th and May 27th 2020. A multinomial logistic regression model was used to evaluate differences in the number of requests between 3 time intervals (I1: 6am - 2pm, I2: 2pm - 10pm, I3: 10pm - 6am). A cosinor model was applied to investigate the demand per hour. Requests per day were compared to the number of regional COVID-19 cases.

Results
551 COVID-19 related chest imagings (32.8% outpatients, 67.2% in-patients) of 243 patients were conducted (33.3% female, 66.7% male, mean age 60 ± 17 years). Most exams for outpatients were required during I2 (I1 vs. I2: odds ratio (OR) = 0.73, 95% confidence interval (CI) 0.62–0.86, p = 0.01; I2 vs. I3: OR = 1.24, 95% CI 1.04–1.48, p = 0.03) with an acrophase at 7:29 pm. Requests for in-patients decreased from I1 to I3 (I1 vs. I2: OR = 1.24, 95% CI 1.09–1.41, p = 0.01; I2 vs. I3: OR = 1.16, 95% CI 1.05–1.28, p = 0.01) with an acrophase at 12:51 pm. The number of requests per day for outpatients developed similarly to regional cases while demand for in-patients increased later and persisted longer.

Conclusions
The demand for COVID-19 related chest imaging displayed distinct distribution patterns depending on the sector of patient care and point of time during the SARS-CoV-2 pandemic. These patterns should be considered in the allocation of resources in future pandemic challenges with similar disease characteristics.
Three-dimensional scanning electron microscopy used as a profilometer for the surface characterization of polyethylene-coated paperboard
Authors: Brugés Martelo Javier , Andersson Mattias , Liguori Consolatina , Lundgren Jan 
Published: March 2021

Abstract
In food packaging, low-density polyethylene (PE) coating is applied to paperboards to act as a functional barrier and to provide the smoothness required to enhance printability. These characteristics are related to the material’s surface roughness, the parameter monitored during the manufacturing process. Measurement of surface roughness using optical profilometry has gained importance in the paper industry. The optical instruments used to measure surface roughness are limited spatially by the relationship with the light wavelength at which they operate. A scanning electron microscope (SEM) is an alternative for overcoming the spatial resolution limitation, and the use of stereo-photogrammetry on SEM images can be seen as an alternative profilometry technique to measure surface roughness. In this investigation, the surface topography of industrially manufactured high-quality PE-coated paperboard was studied, comparing the SEM stereo-photogrammetry technique with a reference profilometry method, i. e., chromatic confocal microscopy (CCM). We found close agreement between the calculated surface roughness and the results of the techniques used and compared them according to the new ISO 25178 Geometric Product Specifications. We concluded that SEM stereo-photogrammetry provides comparable accurate alternative profilometry method for characterizing the surface roughness of PE-coated paperboard in the micrometer scale.
Self-reported communicative distance between Polish and English in formal and informal situational contexts
Authors: Gawlik-Kobylińska Małgorzata 
Published: March 2021

AbstractThis study explores the issue of communicative distance between Polish and English; its perception and conceptualization, as a function of self-reflection, are related to individual, socio-cultural and environmental, as well as linguistic factors. The aim of the article is to prove that the communicative distance is different while speaking Polish (L1) and English (L2). It was assumed that on the basis of an interlocutor’s self-reported observation and evaluation of verbal and nonverbal cues, it is possible to prove the existence of communicative distance. The research results revealed that in formal English conversations, distance was perceived as shorter than in formal Polish conversations, but in informal conversations, there were no significant differences. Due to gradual language development and absorption of English words into Polish, the study relies on a retrospective data analysis to find out the possible changes in communicative distance perception. The data was retrieved from a series of two surveys conducted in 2008 (n = 150) and 2016 (n = 150) among Poles who use English as a second language.
Nigerian newscasters’ English as a model of standard Nigerian English?
Authors: Oyebola Folajimi , Gut Ulrike 
Published: March 2021

Abstract
The aim of this study is to investigate whether the form of English spoken by Nigerian newscasters enjoys the status of a standard in Nigeria. The study employs a verbal guise test and a questionnaire to measure the attitudes of 137 Nigerian participants towards the variety of English used by Nigerian newscasters. The findings show that an exonormative orientation is still present in Nigeria: both British and American English accents are preferred over a Nigerian one for Nigerian newscasters, and a British accent is perceived to be more prevalent than a Nigerian one in Nigerian newscasting. However, the results of the verbal guise test demonstrate that there are very positive attitudes towards all Nigerian newscasters’ accents. The results also show that neither gender nor a stay abroad has a significant effect on Nigerians’ attitudes towards newscasters’ English, but that the age group of the participants significantly influences their evaluations: the older participants rated the newscasters’ English accents higher than the younger ones. Overall, the findings of the study suggest a limited potential of Nigerian newscasters’ English becoming a model of English in Nigeria, as British English as an exonormative norm seems to continue to play a major role.
Too Much of a Good Thing: Who We Follow, What We Do, And How Much Time We Spend on Social Media Affects Well-Being
Authors: Hunt Melissa , All Katherine , Burns Brennan , Li Kyler 
Published: March 2021

Introduction: Given previous experimental research on the benefits of limiting time spent on social media and correlational research linking active use to better well-being, we designed an experimental study to investigate the effects of limiting time and increasing active use on social media on well-being. Method: After completing a survey on who they followed on social media and undergoing a week of baseline monitoring, 88 undergraduates at a private university were randomly assigned to either limit Facebook, Instagram, Twitter, and Snapchat use to 30 minutes in total per day and increase their active use, just limit their use to 30 minutes per day, or continue to use social media as usual for three weeks. Results: The initial survey revealed that following more friends was negatively correlated with loneliness whereas following more strangers was positively correlated with depression. Highly depressed participants in the limited use group showed significant reductions in depression compared to the control group, but the active group did not show similar benefits. Highly active participants in the active group reported greater loneliness and anxiety and lower self-esteem at week 4 compared to less active participants in the active group, whereas the most passive participants in the control group showed the worst depression overall. Discussion: Our findings suggest that following friends rather than strangers and limiting time spent on social media may lead to significant improvements in well-being, and that moderately active engagement may be the most adaptive.
A novel nanoindentation protocol to characterize surface free energy of superhydrophobic nanopatterned materials
Authors: Rossi E. M. , Phani P. Sudharshan , Guillemet R. , Cholet Julie , Jussey Doriane , Oliver W. C. , Sebastiani M. 
Published: March 2021

Abstract
Surface Free Energy (SFE) has become a relevant design parameter to produce materials and devices with controlled wettability. The non-destructive measurement of SFE in nanopatterned super-hydrophobic hard surfaces is a challenge in both research and industry since in most cases time-consuming contact angle measurements are not feasible. In this work, we present a novel nanoindentation based method for the measurement of pull-off adhesive forces by carefully controlling environmental and instrumentation issues. The method is found to measure SFE over five orders of magnitude, covering hydrophilic to super-hydrophobic surfaces, and has been validated with contact angle measurements. Its limitations and shortcomings are critically discussed, with a specific focus on the experimental issues that could affect the reliability and reproducibility of the results. Finally, the potential applications of the newly developed methodology include fast non-destructive mapping of SFE over heterogeneous surfaces with spatially controlled wettability.

Graphic abstract
Preliminary Report on the 18 May 2020 Ms 5.0 Qiaojia Earthquake, Yunnan, China
Authors: Fu Zhen , Jiang Changsheng , Yin Fengling , Zhang Lei , Shen Xuanye , Fang Lihua , Li Chunlai , Zhang Xu , Xu Lisheng 
Published: March 2021

AbstractThe 18 May 2020 Ms 5.0 Qiaojia earthquake occurred in Qiaojia County, Yunnan Province, ∼25  km away from the 3 August 2014 Ms 6.5 Ludian earthquake. This earthquake was well recorded by dense local seismic stations of the Qiaojia array constructed near the Xiaojiang fault zone. The focal mechanism of the mainshock exhibited strike-slip motion with a centroid depth of 8 km. We determined the seismogenic fault of the Qiaojia earthquake using aftershock relocation with local dense seismic arrays. The mainshock is located on a previously unmapped fault. Aftershocks clearly delineated east–west rupture plane, which was not revealed by the regional seismic network due to relatively sparse stations. The length and width of the aftershock zone are ∼5  km and 3 km, respectively. The focal mechanisms of 70 aftershocks with magnitudes ML≥1.0 showed similar focal mechanism with the mainshock. The stress field inverted from focal mechanisms of the aftershocks is consistent with the tectonic stress field. The coseismic and postseismic static coulomb stress changes show that the Ludian earthquake has a negative impact on the Qiaojia earthquake with a value of −0.01  MPa, implying that the Qiaojia earthquake was unlikely statically triggered by the Ludian earthquake. The Qiaojia earthquake sequence was characterized by low b-value and low-decay rate in the aftershock area, indicating high-seismic risk in this region. The dense seismic observation allows us to study the moderate earthquake in detail and provides us with valuable information of near-fault seismicity to analyze earthquake hazard and the potential of large earthquakes in the future.
An Assessment of Earthquake Scaling Relationships for Crustal Earthquakes in Indonesia
Authors: Gunawan Endra 
Published: March 2021

AbstractTo estimate the hazard posed by active faults, estimates of the maximum magnitude earthquake that could occur on the fault are needed. I compare previously published scaling relationships between earthquake magnitude and rupture length with data from recent earthquakes in Indonesia. I compile a total amount of 13 literatures on investigating coseismic deformation in Indonesia, which then divided into strike-slip and dip-slip earthquake cases. I demonstrate that a different scaling relationship generates different misfit compared to data. For a practical practice of making seismic hazard model in Indonesia, this research shows the suggested reference for a scaling relationship of strike-slip and dip-slip faulting regime. On a practical approach in constructing a logic tree for seismic hazard model, using different weighting between each published earthquake scaling relationship is recommended.