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"Decision model"

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https://www.readbyqxmd.com/read/28643629/faecal-immunochemical-tests-to-triage-patients-with-lower-abdominal-symptoms-for-suspected-colorectal-cancer-referrals-in-primary-care-a-systematic-review-and-cost-effectiveness-analysis
#1
Marie Westwood, Isaac Corro Ramos, Shona Lang, Marianne Luyendijk, Remziye Zaim, Lisa Stirk, Maiwenn Al, Nigel Armstrong, Jos Kleijnen
BACKGROUND: Colorectal cancer (CRC) is the third most common cancer in the UK. Presenting symptoms that can be associated with CRC usually have another explanation. Faecal immunochemical tests (FITs) detect blood that is not visible to the naked eye and may help to select patients who are likely to benefit from further investigation. OBJECTIVES: To assess the effectiveness of FITs [OC-Sensor (Eiken Chemical Co./MAST Diagnostics, Tokyo, Japan), HM-JACKarc (Kyowa Medex/Alpha Laboratories Ltd, Tokyo, Japan), FOB Gold (Sentinel/Sysmex, Sentinel Diagnostics, Milan, Italy), RIDASCREEN Hb or RIDASCREEN Hb/Hp complex (R-Biopharm, Darmstadt, Germany)] for primary care triage of people with low-risk symptoms...
May 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28628931/-the-probabilistic-efficiency-frontier-a-value-assessment-of-treatment-options-in-hepatitis-c
#2
Axel C Mühlbacher, Andrew Sadler
Background The German Institute for Quality and Efficiency in Health Care (IQWiG) recommends the concept of the efficiency frontier to assess health care interventions. The efficiency frontier supports regulatory decisions on reimbursement prices for the appropriate allocation of health care resources. Until today this cost-benefit assessment framework has only been applied on the basis of individual patient-relevant endpoints. This contradicts the reality of a multi-dimensional patient benefit. Objective The objective of this study was to illustrate the operationalization of multi-dimensional benefit considering the uncertainty in clinical effects and preference data in order to calculate the efficiency of different treatment options for hepatitis C (HCV)...
June 19, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/28616889/risk-communication-emergency-response-preparedness-contextual-assessment-of-the-protective-action-decision-model
#3
Robert L Heath, Jaesub Lee, Michael J Palenchar, Laura L Lemon
Studies are continuously performed to improve risk communication campaign designs to better prepare residents to act in the safest manner during an emergency. To that end, this article investigates the predictive ability of the protective action decision model (PADM), which links environmental and social cues, predecision processes (attention, exposure, and comprehension), and risk decision perceptions (threat, alternative protective actions, and stakeholder norms) with protective action decision making. This current quasi-longitudinal study of residents (N = 400 for each year) in a high-risk (chemical release) petrochemical manufacturing community investigated whether PADM core risk perceptions predict protective action decision making...
June 14, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28597236/bayesian-analysis-of-the-piecewise-diffusion-decision-model
#4
William R Holmes, Jennifer S Trueblood
Most past research on sequential sampling models of decision-making have assumed a time homogeneous process (i.e., parameters such as drift rates and boundaries are constant and do not change during the deliberation process). This has largely been due to the theoretical difficulty in testing and fitting more complex models. In recent years, the development of simulation-based modeling approaches matched with Bayesian fitting methodologies has opened the possibility of developing more complex models such as those with time-varying properties...
June 8, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28576711/safety-and-efficacy-of-antibacterial-prophylaxis-after-craniotomy-a-decision-model-analysis
#5
Amal F Alotaibi, Rania A Mekary, Hasan A Zaidi, Timothy R Smith, Ankur Pandya
BACKGROUND: Antibiotic prophylaxis has revolutionized the safety of neurosurgical procedures in the last century. Today, the clinician's drug of choice prior surgery is often based on the antibiotic's resistance profile and drug-induced complications. METHODS: A decision tree model was developed to compare cefazolin (cephalosporin), vancomycin, or their combination on 90-day mortality post-craniotomy. We modeled the infection type (methicillin-sensitive, methicillin-resistant, or other organisms), antibiotic-related complications that could affect mortality (e...
May 30, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28550999/process-mining-routinely-collected-electronic-health-records-to-define-real-life-clinical-pathways-during-chemotherapy
#6
Karl Baker, Elaine Dunwoodie, Richard G Jones, Alex Newsham, Owen Johnson, Christopher P Price, Jane Wolstenholme, Jose Leal, Patrick McGinley, Chris Twelves, Geoff Hall
BACKGROUND: There is growing interest in the use of routinely collected electronic health records to enhance service delivery and facilitate clinical research. It should be possible to detect and measure patterns of care and use the data to monitor improvements but there are methodological and data quality challenges. Driven by the desire to model the impact of a patient self-test blood count monitoring service in patients on chemotherapy, we aimed to (i) establish reproducible methods of process-mining electronic health records, (ii) use the outputs derived to define and quantify patient pathways during chemotherapy, and (iii) to gather robust data which is structured to be able to inform a cost-effectiveness decision model of home monitoring of neutropenic status during chemotherapy...
July 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/28530523/cost-effectiveness-of-peginterferon-beta-1a-and-alemtuzumab-in-relapsing-remitting-multiple-sclerosis
#7
Ankur A Dashputre, Khalid M Kamal, Gauri Pawar
BACKGROUND: Multiple sclerosis (MS) is a chronic inflammatory disorder of the central nervous system, affecting 2.5 million people globally and 400,000 people in the United States. While no cure exists for MS, the goal is to manage the disease using disease-modifying therapies (DMTs), which have been shown to slow disease progression and prevent relapses. Relapsing-remitting MS (RRMS) is the most common form of MS at the time of diagnosis. Peginterferon beta-1a (PEG) and alemtuzumab (ALT) were recently approved and have demonstrated good clinical outcomes, including reduced relapse rates in clinical trials...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28529152/coevolution-of-patch-type-dependent-emigration-and-patch-type-dependent-immigration
#8
Helene C Weigang
The three phases of dispersal - emigration, transfer and immigration - are affecting each other and the former and latter decisions may depend on patch types. Despite the inevitable fact of the complexity of the dispersal process, patch-type dependencies of dispersal decisions modelled as emigration and immigration are usually missing in theoretical dispersal models. Here, I investigate the coevolution of patch-type dependent emigration and patch-type dependent immigration in an extended Hamilton-May model...
May 18, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28504536/a-signal-detection-analysis-of-eyewitness-identification-across-the-adult-lifespan
#9
Melissa F Colloff, Kimberley A Wade, John T Wixted, Elizabeth A Maylor
Middle-aged and older adults are frequently victims and witnesses of crime, but knowledge of how identification performance changes over the adult life span is sparse. The authors asked young (18-30 years), middle-aged (31-59 years), and older (60-95 years) adults (N = 2,670) to watch a video of a mock crime and to attempt to identify the culprit from a fair lineup (in which all of the lineup members matched the appearance of the suspect) or an unfair lineup (in which the suspect stood out). They also asked subjects to provide confidence ratings for their identification decisions...
May 2017: Psychology and Aging
https://www.readbyqxmd.com/read/28500428/a-novel-classification-method-for-aid-decision-of-traditional-chinese-patent-medicines-for-stroke-treatment
#10
Yufeng Zhao, Bo Liu, Liyun He, Wenjing Bai, Xueyun Yu, Xinyu Cao, Lin Luo, Peijing Rong, Yuxue Zhao, Guozheng Li, Baoyan Liu
Traditional Chinese patent medicines are widely used to treat stroke because it has good efficacy in the clinical environment. However, because of the lack of knowledge on traditional Chinese patent medicines, many Western physicians, who are accountable for the majority of clinical prescriptions for such medicine, are confused with the use of traditional Chinese patent medicines. Therefore, the aid-decision method is critical and necessary to help Western physicians rationally use traditional Chinese patent medicines...
May 13, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28497724/explaining-moral-behavior
#11
Magda Osman, Alex Wiegmann
In this review we make a simple theoretical argument which is that for theory development, computational modeling, and general frameworks for understanding moral psychology researchers should build on domain-general principles from reasoning, judgment, and decision-making research. Our approach is radical with respect to typical models that exist in moral psychology that tend to propose complex innate moral grammars and even evolutionarily guided moral principles. In support of our argument we show that by using a simple value-based decision model we can capture a range of core moral behaviors...
March 2017: Experimental Psychology
https://www.readbyqxmd.com/read/28490325/reaching-beyond-the-review-of-research-evidence-a-qualitative-study-of-decision-making-during-the-development-of-clinical-practice-guidelines-for-disease-prevention-in-healthcare
#12
Linda Richter Sundberg, Rickard Garvare, Monica Elisabeth Nyström
BACKGROUND: The judgment and decision making process during guideline development is central for producing high-quality clinical practice guidelines, but the topic is relatively underexplored in the guideline research literature. We have studied the development process of national guidelines with a disease-prevention scope produced by the National board of Health and Welfare (NBHW) in Sweden. The NBHW formal guideline development model states that guideline recommendations should be based on five decision-criteria: research evidence; curative/preventive effect size, severity of the condition; cost-effectiveness; and ethical considerations...
May 11, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28464677/bi-directional-audiovisual-influences-on-temporal-modulation-discrimination
#13
Leonard Varghese, Samuel R Mathias, Seth Bensussen, Kenny Chou, Hannah R Goldberg, Yile Sun, Robert Sekuler, Barbara G Shinn-Cunningham
Cross-modal interactions of auditory and visual temporal modulation were examined in a game-like experimental framework. Participants observed an audiovisual stimulus (an animated, sound-emitting fish) whose sound intensity and/or visual size oscillated sinusoidally at either 6 or 7 Hz. Participants made speeded judgments about the modulation rate in either the auditory or visual modality while doing their best to ignore information from the other modality. Modulation rate in the task-irrelevant modality matched the modulation rate in the task-relevant modality (congruent conditions), was at the other rate (incongruent conditions), or had no modulation (unmodulated conditions)...
April 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28463547/economic-decision-model-for-first-time-traumatic-patellar-dislocations-in-adolescents
#14
Benedict U Nwachukwu, Conan So, William W Schairer, Beth E Shubin-Stein, Sabrina M Strickland, Daniel W Green, Emily R Dodwell
BACKGROUND: The surgical management of traumatic patellar dislocations in adolescents is associated with a lower rate of recurrent dislocations compared with nonoperative care. However, the attendant cost of surgery and the quality-of-life benefit of a surgical treatment strategy are unclear. PURPOSE: To compare the cost-utility of 3 management strategies for acute first-time patellar dislocations in adolescents: (1) nonoperative treatment only, (2) initial nonoperative treatment with surgery only for recurrent dislocations, and (3) immediate surgery...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28439818/can-experienced-surgeons-predict-the-additional-value-of-a-ct-scan-in-patients-with-displaced-intra-articular-distal-radius-fractures
#15
Y V Kleinlugtenbelt, K Madden, S R Groen, S J Ham, P Kloen, R Haverlag, M P Simons, M Bhandari, J C Goslings, V A B Scholtes, R W Poolman
There are no clear guidelines when an additional CT scan should be obtained for the treatment of displaced intra-articular distal radius fractures (DRF). This study aimed to investigate whether surgeons can predict the usefulness of CT scans to facilitate choice of treatment plan and/or pre-operative planning for DRF. Four surgeons evaluated 51 patients with displaced DRF. The choice of treatment (operative or nonoperative) was based on conventional radiographs. Subsequently, the surgeons were asked whether they would have requested an additional CT scan to determine this treatment choice, and also whether they required a CT scan for pre-operative planning...
April 24, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28436113/using-predictions-from-a-joint-model-for-longitudinal-and-survival-data-to-inform-the-optimal-time-of-intervention-in-an-abdominal-aortic-aneurysm-screening-programme
#16
Michael J Sweeting
Joint models of longitudinal and survival data can be used to predict the risk of a future event occurring based on the evolution of an endogenous biomarker measured repeatedly over time. This has led naturally to the use of dynamic predictions that update each time a new longitudinal measurement is provided. In this paper, we show how such predictions can be utilised within a fuller decision modelling framework, in particular to allow planning of future interventions for patients under a 'watchful waiting' care pathway...
April 24, 2017: Biometrical Journal. Biometrische Zeitschrift
https://www.readbyqxmd.com/read/28414738/barriers-and-facilitators-for-men-to-attend-prenatal-care-and-obtain-hiv-voluntary-counseling-and-testing-in-brazil
#17
Nava Yeganeh, Mariana Simon, Deborah Mindry, Karin Nielsen-Saines, Maria Cristina Chaves, Breno Santos, Marineide Melo, Brenna Mendoza, Pamina Gorbach
BACKGROUND: Providing HIV voluntary counseling and testing (VCT) to men who attend their partner's prenatal care is an intervention with potential to reduce HIV transmission to women and infants during the vulnerable period of pregnancy. Little is known about the acceptability of this intervention in global settings outside of Africa. METHODS: We conducted in-depth qualitative interviews to evaluate potential barriers and facilitators to prenatal care attendance for HIV VCT with 20 men who did and 15 men who did not attend prenatal care with their partners at Hospital Conceiçao in Porto Alegre, Brazil...
2017: PloS One
https://www.readbyqxmd.com/read/28410983/toward-better-public-health-reporting-using-existing-off-the-shelf-approaches-the-value-of-medical-dictionaries-in-automated-cancer-detection-using-plaintext-medical-data
#18
Suranga N Kasthurirathne, Brian E Dixon, Judy Gichoya, Huiping Xu, Yuni Xia, Burke Mamlin, Shaun J Grannis
OBJECTIVES: Existing approaches to derive decision models from plaintext clinical data frequently depend on medical dictionaries as the sources of potential features. Prior research suggests that decision models developed using non-dictionary based feature sourcing approaches and "off the shelf" tools could predict cancer with performance metrics between 80%-90%. We sought to compare non-dictionary based models to models built using features derived from medical dictionaries. MATERIALS AND METHODS: We evaluated the detection of cancer cases from free text pathology reports using decision models built with combinations of dictionary or non-dictionary based feature sourcing approaches, 4 feature subset sizes, and 5 classification algorithms...
April 11, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28390820/mortality-reduction-and-cost-effectiveness-of-performing-hysterectomy-at-the-time-of-risk-reducing-salpingo-oophorectomy-for-prophylaxis-against-serous-serous-like-uterine-cancers-in-brca1-mutation-carriers
#19
Laura J Havrilesky, Haley A Moss, Junzo Chino, Evan R Myers, Noah D Kauff
OBJECTIVE: To estimate the survival benefit and cost-effectiveness of performing hysterectomy during risk-reducing salpingo-oophorectomy (RRSO) for BRCA1 mutation carriers. METHODS: Based on a recent prospective cohort study indicating an elevated incidence of serous/serous-like uterine cancers among BRCA1 mutation carriers, we constructed a modified Markov decision model from a payer perspective to inform decisions about performance of hysterectomy during RRSO at age 40...
April 5, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28383957/accumulating-evidence-about-what-prospective-memory-costs-actually-reveal
#20
Luke Strickland, Andrew Heathcote, Roger W Remington, Shayne Loft
Event-based prospective memory (PM) tasks require participants to substitute an atypical PM response for an ongoing task response when presented with PM targets. Responses to ongoing tasks are often slower with the addition of PM demands ("PM costs"). Prominent PM theories attribute costs to capacity-sharing between the ongoing and PM tasks, which reduces the rate of processing of the ongoing task. We modeled PM costs using the Linear Ballistic Accumulator and the Diffusion Decision Model in a lexical-decision task with nonfocal PM targets defined by semantic categories...
April 6, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
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