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Confirmation bias

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https://www.readbyqxmd.com/read/28107517/high-emigration-propensity-and-low-mortality-on-transfer-drives-female-biased-dispersal-of-pyriglena-leucoptera-in-fragmented-landscapes
#1
Marcelo Awade, Carlos Candia-Gallardo, Cintia Cornelius, Jean Paul Metzger
Dispersal is a biological process performed in three stages: emigration, transfer and immigration. Intra-specific variation on dispersal behavior, such as sex-bias, is very common in nature, particularly in birds and mammals. However, dispersal is difficult to measure in the field and many hypotheses concerning the causes of sex-biased dispersal remain without empirical confirmation. An important limitation of most empirical studies is that inferences about sex-biased dispersal are based only on emigration proneness or immigration success data...
2017: PloS One
https://www.readbyqxmd.com/read/28107170/hb-variants-in-korea-effect-on-hba1c-using-five-routine-methods
#2
Yeo-Min Yun, Misuk Ji, Dae-Hyun Ko, Sail Chun, Gye Cheol Kwon, Kyunghoon Lee, Sang Hoon Song, Moon Woo Seong, Sung Sup Park, Junghan Song
BACKGROUND: Quantification of glycated hemoglobin (HbA1c) is a challenge in patients with hemoglobin (Hb) variants. We evaluated the impact of various Hb variants on five routine HbA1c assays by comparing with the IFCC reference measurement procedure (RMP). METHODS: Whole blood samples showing warning flags or no results on routine HPLC HbA1c assays were confirmed for Hb variants and were submitted to HbA1c quantification using Sebia Capillarys 2 Flex Piercing, Roche Tina-quant HbA1c Gen...
January 20, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28106758/validation-of-a-smartphone-image-based-dietary-assessment-method-for-pregnant-women
#3
Amy M Ashman, Clare E Collins, Leanne J Brown, Kym M Rae, Megan E Rollo
Image-based dietary records could lower participant burden associated with traditional prospective methods of dietary assessment. They have been used in children, adolescents and adults, but have not been evaluated in pregnant women. The current study evaluated relative validity of the DietBytes image-based dietary assessment method for assessing energy and nutrient intakes. Pregnant women collected image-based dietary records (via a smartphone application) of all food, drinks and supplements consumed over three non-consecutive days...
January 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28105899/clinic-visit-frequency-in-wound-care-matters-data-from-the-us-wound-registry
#4
M J Carter, C E Fife
OBJECTIVE: A previous study suggested that the frequency with which patients visit wound care clinics influences the rate of chronic wound healing but high bias was present with regard to wound care centre selection. The objective of this retrospective cohort study was to confirm this finding by using a very large sample size of diabetic foot ulcers (DFUs) from the US Wound Registry. METHOD: Patients who visited the clinic more than once for a new DFU were eligible for study inclusion...
January 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28104927/a-rapid-systematic-review-and-meta-analysis-of-the-efficacy-of-slaughter-and-processing-interventions-to-control-non-typhoidal-salmonella-in-beef-and-pork
#5
Ian Young, Barbara J Wilhelm, Sarah Cahill, Rei Nakagawa, Patricia Desmarchelier, Andrijana Rajić
Pork is one of the major food sources of human salmonellosis worldwide, while beef products have been implicated in numerous foodborne outbreaks. As a result, effective interventions to reduce Salmonella contamination during beef and pork processing are of interest to both regulators and industry. We conducted a rapid systematic review and meta-analysis of literature investigating the efficacy of slaughter and processing interventions to control Salmonella in beef and pork. Review steps included: a comprehensive search strategy; relevance screening of abstracts; relevance confirmation of articles; data extraction; risk-of-bias assessment; meta-analysis (where appropriate); and a weight-of-evidence assessment...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28103235/real-time-multiplicative-memory-amplification-mediated-by-whole-cell-scaling-of-synaptic-response-in-key-neurons
#6
Iris Reuveni, Sourav Ghosh, Edi Barkai
Intense spiking response of a memory-pattern is believed to play a crucial role both in normal learning and pathology, where it can create biased behavior. We recently proposed a novel model for memory amplification where the simultaneous two-fold increase of all excitatory (AMPAR-mediated) and inhibitory (GABAAR-mediated) synapses in a sub-group of cells that constitutes a memory-pattern selectively amplifies this memory. Here we confirm the cellular basis of this model by validating its major predictions in four sets of experiments, and demonstrate its induction via a whole-cell transduction mechanism...
January 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28101520/an-observational-study-of-alemtuzumab-following-fingolimod-for-multiple-sclerosis
#7
Mark Willis, Owen Pearson, Zsolt Illes, Tobias Sejbaek, Christian Nielsen, Martin Duddy, Kate Petheram, Caspar van Munster, Joep Killestein, Clas Malmeström, Emma Tallantyre, Neil Robertson
OBJECTIVE: To describe a series of patients with relapsing multiple sclerosis (MS) who experienced significant and unexpected disease activity within the first 12 months after switching from fingolimod to alemtuzumab. METHODS: Patients with relapsing MS treated sequentially with fingolimod then alemtuzumab who experienced significant subsequent disease activity were identified by personal communication with 6 different European neuroscience centers. RESULTS: Nine patients were identified...
March 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28100160/determining-the-potential-benefits-of-yoga-in-chronic-stroke-care-a-systematic-review-and-meta-analysis
#8
Tharshanah Thayabaranathan, Nadine E Andrew, Maarten A Immink, Susan Hillier, Philip Stevens, Rene Stolwyk, Monique Kilkenny, Dominique A Cadilhac
BACKGROUND: Survivors of stroke have long-term physical and psychological consequences that impact their quality of life. Few interventions are available in the community to address these problems. Yoga, a type of mindfulness-based intervention, is shown to be effective in people with other chronic illnesses and may have the potential to address many of the problems reported by survivors of stroke. OBJECTIVES: To date only narrative reviews have been published. We sought to perform, the first systematic review with meta-analyses of randomized controlled trials (RCTs) that investigated yoga for its potential benefit for chronic survivors of stroke...
January 19, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28096514/tonsillectomy-for-obstructive-sleep-disordered-breathing-a-meta-analysis
#9
REVIEW
Sivakumar Chinnadurai, Atia K Jordan, Nila A Sathe, Christopher Fonnesbeck, Melissa L McPheeters, David O Francis
CONTEXT: The effectiveness of tonsillectomy or adenotonsillectomy (hereafter, "tonsillectomy") for obstructive sleep-disordered breathing (OSDB) compared with watchful waiting with supportive care is poorly understood. OBJECTIVE: To compare sleep, cognitive or behavioral, and health outcomes of tonsillectomy versus watchful waiting with supportive care in children with OSDB. DATA SOURCES: Medline, Embase, and the Cochrane Library. STUDY SELECTION: Two investigators independently screened studies against predetermined criteria...
January 17, 2017: Pediatrics
https://www.readbyqxmd.com/read/28095407/a-novel-imprinted-gene-nuwa-controls-mitochondrial-function-in-early-seed-development-in-arabidopsis
#10
Shan He, Yan Sun, Qian Yang, Xiangyu Zhang, Qingpei Huang, Peng Zhao, Mengxiang Sun, Jingjing Liu, Weiqiang Qian, Genji Qin, Hongya Gu, Li-Jia Qu
Imprinted genes display biased expression of paternal and maternal alleles- and are only found in mammals and flowering plants. Compared to several hundred imprinted genes that are functionally characterized in mammals, very few imprinted genes were confirmed in plants and even fewer of them have been functionally investigated. Here, we report a new imprinted gene, NUWA, in plants. NUWA is an essential gene, because loss of its function resulted in reduced transmission through the female gametophyte and defective cell/nuclear proliferation in early Arabidopsis embryo and endosperm...
January 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28093723/meta-analysis-and-trial-sequential-analysis-of-triclosan-coated-sutures-for-the-prevention-of-surgical-site-infection
#11
REVIEW
S W de Jonge, J J Atema, J S Solomkin, M A Boermeester
BACKGROUND: Triclosan-coated sutures (TCS) were developed to reduce the risk of surgical-site infection (SSI). Level 1A evidence of effectiveness has been presented in various recent meta-analyses, yet well designed RCTs have not been able to reproduce these favourable results. The aim of this study was to evaluate all available evidence critically with comprehensive analysis to seek a more reliable answer regarding the effectiveness of TCS in the prevention of SSI. METHODS: PubMed, MEDLINE, Embase and Cochrane Library databases were searched from 1990 to November 2015 for RCTs that compared TCS with sutures that were exactly the same, but uncoated, in the prevention of SSI...
January 17, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28093079/albumin-and-surgical-site-infection-risk-in-orthopaedics-a-meta-analysis
#12
Peizhi Yuwen, Wei Chen, Hongzhi Lv, Chen Feng, Yansen Li, Tao Zhang, Pan Hu, Jialiang Guo, Ye Tian, Lei Liu, Jiayuan Sun, Yingze Zhang
BACKGROUD: Surigical site infection has been a challenge for surgeons for many years, the prevalence of serum albumin <3.5g/dL has been reported to be associated with increased orthopaedic complications. However, the prognostic implications and significance of serum albumin <3.5g/dL after orthopaedic surgeries remain ambiguity. In this study, we performed a meta-analysis to access the predictive value of serum albumin level on SSI. METHODS: A basic data search was performed in PubMed and Web of Science, in addition, references were manually searched...
January 16, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28092497/polymyxin-b-hemoperfusion-for-sepsis-and-septic-shock-a-systematic-review-and-meta-analysis
#13
Takero Terayama, Kazuma Yamakawa, Yutaka Umemura, Morio Aihara, Satoshi Fujimi
BACKGROUND: To evaluate the efficacy and safety of direct hemoperfusion with polymyxin B-immobilized fiber (PMX-DHP) therapy in patients with sepsis. DESIGN: A systematic review and meta-analysis of four major databases: Cochrane Central Register of Controlled Trials, MEDLINE, Scopus, and Science Citation Index Expanded. STUDY SELECTION: Randomized controlled trials comparing PMX-DHP with conventional therapy on the outcome of mortality in patients with severe sepsis/septic shock...
January 16, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28090515/a-systematic-review-of-combinatorial-treatment-with-warming-and-invigorating-drugs-and-levothyroxine-for-hypothyroidism-caused-by-hashimoto-disease
#14
Xiangwen Cheng, Zixiao Wei, Guangde Zhang, Xin Shao, Bo Li, Rui Gao
BACKGROUND: We used the systematic review method to evaluate the clinical efficacy and safety of combinatorial treatment with warming and invigorating drugs and levothyroxine on hypothyroidism caused by Hashimoto thyroiditis (HT). METHODS: We set inclusion and exclusion criteria, searched for studies using electronic databases and manual retrieval, selected studies according to the inclusion and exclusion criteria, and assessed the qualities of the included studies according to the Jadad scale...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28088521/signal-peptidase-i-processed-secretory-signal-sequences-selection-for-and-against-specific-amino-acids-at-the-second-position-of-mature-protein
#15
Yaramah M Zalucki, Michael P Jennings
Signal peptides direct proteins from the cytoplasm to the periplasm. These N-terminal peptides are cleaved upon entry to the periplasm by either signal peptidase I, or signal peptidase II for lipoproteins. Signal peptidase I is a serine protease that has either a serine-lysine or serine-histidine catalytic dyad present in the active site. The recognition site for signal peptide cleavage by signal peptidase I has been defined primarily by an Ala-X-Ala motif at the C-terminal end of the signal peptide, one amino acid away from the cleavage site...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28087989/alcohol-consumption-and-gastric-cancer-risk-a-meta-analysis
#16
Ke Ma, Zulqarnain Baloch, Ting-Ting He, Xueshan Xia
BACKGROUND We sought to determine by meta-analysis the relationship between drinking alcohol and the risk of gastric cancer. MATERIAL AND METHODS A systematic Medline search was performed to identify all published reports of drinking alcohol and the associated risk of gastric cancer. Initially we retrieved 2,494 studies, but after applying inclusion and exclusion criteria, only ten studies were found to be eligible for our meta-analysis. RESULTS Our meta-analysis showed that alcohol consumption elevated the risk of gastric cancer with an odds ratio (OR) of 1...
January 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28080090/we-are-sorry-they-don-t-care-misinterpretation-of-facial-embarrassment-displays-in-arab-white-intergroup-contexts
#17
Pum Kommattam, Kai J Jonas, Agneta H Fischer
Embarrassment displays show others that one is aware of one's own misbehavior and willing to make up for it. The facial actions of embarrassment, however, are partly similar to those of disinterest, which has an opposite function, signaling that one is not concerned about one's self in relation to others. In the context of negative intergroup relations, embarrassment displays of outgroup members may therefore be misinterpreted as disinterest. In the present research, the authors predicted that Whites would perceive Arab expressions of embarrassment more as disinterest, but embarrassment displays of Whites more as embarrassment...
January 12, 2017: Emotion
https://www.readbyqxmd.com/read/28079620/clostridium-difficile-infection-and-risk-of-colectomy-in-patients-with-inflammatory-bowel-disease-a-bias-adjusted-meta-analysis
#18
Yingxi Chen, Luis Furuya-Kanamori, Suhail A Doi, Ashwin N Ananthakrishnan, Martyn Kirk
BACKGROUND: Clostridium difficile infection (CDI) is a common complication of inflammatory bowel diseases (IBDs) and is associated with worse outcome. Variable rates of colectomy have been reported among IBD complicated by CDI. We conducted a systematic review and meta-analysis of studies to assess the association between CDI and colectomy among patients with IBD. METHODS: The literature was systematically searched using PubMed from inception through April 2016...
February 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28078470/appropriate-timing-to-start-and-optimal-response-evaluation-of-high-dose-corticosteroid-therapy-for-patients-with-acute-liver-failure
#19
Keisuke Kakisaka, Kojiro Kataoka, Yuji Suzuki, Hidekatsu Kuroda, Yasuhiro Takikawa
BACKGROUND: Corticosteroid therapy has been commonly administered to patients with acute liver injury (ALI)/acute liver failure (ALF) in Japan to prevent the development of hepatic encephalopathy, but the appropriate timing to start corticosteroid therapy has not been determined and optimal response evaluation of the therapy has not been conducted. We prospectively investigated the optimal timing to start therapy on the established severity indication: the Japan Hepatic Encephalopathy Prediction Model (JHEPM) and prothrombin time (PT)...
January 11, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28077138/fish-intake-and-the-risk-of-brain-tumor-a-meta-analysis-with-systematic-review
#20
REVIEW
Wei Lian, Renzhi Wang, Bing Xing, Yong Yao
BACKGROUND: Fish, rich in ω-3 polyunsaturated fatty acids, has been found to be associated with lower risk of several types of cancer risk, and beneficial for brain development. However, the association between fish intake and brain tumor risk is still inconsistent. Therefore, we conducted a meta-analysis to clarify the association. METHODS: Relevant studies were identified from PubMed and EMBASE databases. The pooled relative risks were obtained by the fixed-effects model when no substantial heterogeneity was observed...
January 11, 2017: Nutrition Journal
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