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(Generalized estimating equation) or GEE

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https://www.readbyqxmd.com/read/28937991/sociodemographic-correlates-of-hiv-drug-resistance-and-access-to-drug-resistance-testing-in-british-columbia-canada
#1
Genevieve Rocheleau, Conrado Franco-Villalobos, Natalia Oliveira, Zabrina L Brumme, Melanie Rusch, Jeannie Shoveller, Chanson J Brumme, P Richard Harrigan
Sociodemographic correlates of engagement in human immunodeficiency virus (HIV) care are well studied, however the association with accessing drug resistance testing (DRT) and the development of drug resistance have not been characterized. Between 1996-2014, 11 801 HIV patients accessing therapy in British Columbia were observed longitudinally. A subset of 9456 patients had testable viral load; of these 8398 were linked to census data. Sociodemographic (census tract-level) and clinical (individual-level) correlates of DRT were assessed using multivariable General Estimating Equation logistic regression adjusted odds ratios (aOR)...
2017: PloS One
https://www.readbyqxmd.com/read/28937501/patients-less-likely-to-lose-weight-following-a-knee-replacement-results-from-the-osteoarthritis-initiative
#2
Christine A Pellegrini, Jing Song, Pamela A Semanik, Rowland W Chang, Jungwha Lee, Abigail L Gilbert, Daniel Pinto, Linda Ehrlich-Jones, Dorothy D Dunlop
BACKGROUND: Knee replacement typically results in reduced pain and improved function, but it is unclear if these improvements lead to weight loss. OBJECTIVE: The purpose of this study was to examine weight change patterns preoperatively and postoperatively among overweight/obese knee replacement patients. METHODS: The study evaluated 210 overweight/obese patients from the Osteoarthritis Initiative who underwent a knee replacement during an 8-year longitudinal study...
September 21, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28937470/patients-less-likely-to-lose-weight-following-a-knee-replacement-results-from-the-osteoarthritis-initiative
#3
Christine A Pellegrini, Jing Song, Pamela A Semanik, Rowland W Chang, Jungwha Lee, Abigail L Gilbert, Daniel Pinto, Linda Ehrlich-Jones, Dorothy D Dunlop
BACKGROUND: Knee replacement typically results in reduced pain and improved function, but it is unclear if these improvements lead to weight loss. OBJECTIVE: The purpose of this study was to examine weight change patterns preoperatively and postoperatively among overweight/obese knee replacement patients. METHODS: The study evaluated 210 overweight/obese patients from the Osteoarthritis Initiative who underwent a knee replacement during an 8-year longitudinal study...
October 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28936137/age-related-changes-in-auditory-processing-and-speech-perception-cross-sectional-and-longitudinal-analyses
#4
Harvey Babkoff, Leah Fostick
Age-related differences in speech perception have been shown in previous cross-sectional studies to be related to auditory temporal processing. We examined this association in both cross-sectional and longitudinal designs, controlling for age-related changes in hearing sensitivity and cognitive ability. Fifty-eight participants were tested in two phases. In phase 1, ages ranged between 22 and 82 years. Phase 2 occurred seven years later. In both phases, participants performed auditory processing tasks, speech perception tests, and cognitive tasks...
September 2017: European Journal of Ageing
https://www.readbyqxmd.com/read/28935469/risk-of-guillain-barr%C3%A3-syndrome-following-quadrivalent-human-papillomavirus-vaccine-in-the-vaccine-safety-datalink
#5
Julianne Gee, Lakshmi Sukumaran, Eric Weintraub
OBJECTIVE: Describe the Vaccine Safety Datalink's (VSD) Guillain Barré Syndrome (GBS) surveillance following quadrivalent HPV vaccine (4vHPV) from 2006 through 2015. METHODS: Among 4vHPV vaccinated persons aged 9-26, ICD-9 coded GBS was identified in VSD's electronic data. Medical records were reviewed and adjudicated to confirm GBS. We calculated incidence rates of confirmed GBS within 1-42days following 4vHPV with a one-sided 95% confidence interval. RESULTS: Following 2,773,185 4vHPV doses, we confirmed 1 case of GBS in a male and no cases among females...
September 18, 2017: Vaccine
https://www.readbyqxmd.com/read/28935429/glycemic-control-in-patients-undergoing-coronary-artery-bypass-graft-surgery-clinical-features-predictors-and-outcomes
#6
Judson B Williams, Eric D Peterson, Álvaro S Albrecht, Shuang Li, Sameer A Hirji, T Ferguson, Peter K Smith, Renato D Lopes
PURPOSE: Critically ill patients with hyperglycemia have worse prognosis. The degree to which glycemic control is achieved following CABG surgery and the association with clinical outcomes is not well understood. MATERIALS AND METHODS: We studied patients undergoing higher risk CABG surgery at 55 US hospitals. Good glycemic control was defined as 70-180mg/dL in the first 24h postoperatively. Generalized estimating equations logistic regression models were used to assess the relationship between glycemic control and clinical outcomes after adjusting for baseline characteristics...
September 9, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28935399/optical-coherence-tomography-biomarkers-as-functional-outcome-predictors-in-diabetic-macular-edema-treated-with-dexamethasone-implant
#7
Dinah Zur, Matias Iglicki, Catharina Busch, Alessandro Invernizzi, Miriana Mariussi, Anat Loewenstein
PURPOSE: Identification and characterization of patients with diabetic macular edema (DME) are important for individualizing treatment and optimizing outcome. We investigated optical coherence tomography (OCT) biomarkers for DME treated by intravitreal dexamethasone (DEX) implant. DESIGN: Multicenter, retrospective, observational cohort study. PARTICIPANTS: A total of 299 eyes from 284 patients treated with DEX implant for DME (naïve, n = 209; refractory, n = 90)...
September 18, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28935347/geographic-variations-in-lung-cancer-lobectomy-outcomes-the-general-thoracic-surgery-database
#8
A Laurie Shroyer, Jacquelyn A Quin, Maria V Grau-Sepulveda, Andrzej S Kosinski, Babatunde A Yerokun, John D Mitchell, Thomas V Bilfinger
BACKGROUND: Lung cancer ranks as the top cancer killer in the United States. Using The Society of Thoracic Surgeons General Thoracic Surgery Database (GTSD), the geographic variability of lung cancer lobectomy for operative mortality and major morbidity were examined. METHODS: From January 2009 to June 2015, the GTSD lung cancer lobectomy records (excluding robotic procedures) were assigned to a US Census region using hospital location. Surgeons performing fewer than seven lung cancer lobectomies per year were categorized as "low volume...
September 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28934786/long-term-cost-utility-of-spinal-cord-stimulation-in-patients-with-failed-back-surgery-syndrome
#9
S Harrison Farber, Jing L Han, Aladine A Elsamadicy, Qasim Hussaini, Siyun Yang, Promila Pagadala, Beth Parente, Jichun Xie, Shivanand P Lad
BACKGROUND: Failed back surgery syndrome (FBSS) is a cause of significant morbidity for up to 40% of patients following spine surgery, and is estimated to cost almost $20 billion. Treatment options for these patients currently include conventional medical management (CMM), repeat operation, or spinal cord stimulation (SCS). Much of the published data regarding cost effectiveness of SCS comprise smaller scale randomized controlled trials (RCTs) rather than large databases capturing practices throughout the US...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934108/markers-of-microbial-translocation-and-immune-activation-predict-cognitive-processing-speed-in-heavy-drinking-men-living-with-hiv
#10
Mollie A Monnig, Christopher W Kahler, Patricia A Cioe, Peter M Monti, Kenneth H Mayer, David W Pantalone, Ronald A Cohen, Bharat Ramratnam
HIV infection and alcohol use disorder are associated with deficits in neurocognitive function. Emerging evidence points to pro-inflammatory perturbations of the gut-brain axis as potentially contributing to neurocognitive impairment in the context of HIV and chronic heavy alcohol use. This study examined whether plasma markers of microbial translocation (LPS) from the gastrointestinal tract and related immune activation (sCD14, EndoCAb) were associated with neurocognition in 21 men living with HIV who were virally suppressed on antiretroviral therapy...
September 21, 2017: Microorganisms
https://www.readbyqxmd.com/read/28933703/longitudinal-study-of-falls-among-hiv-infected-and-uninfected-women-the-role-of-cognition
#11
Anjali Sharma, Donald R Hoover, Qiuhu Shi, Susan Holman, Michael W Plankey, Phyllis C Tien, Kathleen M Weber, Michelle Floris-Moore, Hector H Bolivar, David E Vance, Elizabeth T Golub, Marcia McDonnell Holstad, Michael T Yin
BACKGROUND: Although fracture rates are higher in HIV+ than HIV- women, whether HIV infection increases risk of falls is unclear. We determined the longitudinal occurrence and risk factors for falls in the Women's Interagency HIV Study (WIHS), and explored associations with cognitive complaints. METHODS: Recent (prior 6 months) self-reported falls were collected in 1816 (1250 HIV+; 566 HIV-) women over 24 months. Generalized estimating equation models using stepwise selection determined odds of any fall (vs...
September 21, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28932109/evaluation-on-the-implementation-of-respiratory-protection-measures-in-old-age-homes
#12
Diana Tf Lee, Doris Yu, Margaret Ip, Jennifer Ym Tang
PURPOSE: Old age homes (OAHs) represent a vulnerable community for influenza outbreaks. Effective implementation of respiratory protection measures has been identified as an effective prevention measure to reduce mortality and morbidity caused by such outbreaks. Yet, relatively little is known about this aspect in these homes. This study evaluated the implementation of respiratory protection measures among infection control officers (ICOs) and health care workers (HCWs) in these homes in Hong Kong...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28931509/development-and-validation-of-qmortality-risk-prediction-algorithm-to-estimate-short-term-risk-of-death-and-assess-frailty-cohort-study
#13
Julia Hippisley-Cox, Carol Coupland
Objectives To derive and validate a risk prediction equation to estimate the short term risk of death, and to develop a classification method for frailty based on risk of death and risk of unplanned hospital admission.Design Prospective open cohort study.Participants Routinely collected data from 1436 general practices contributing data to QResearch in England between 2012 and 2016. 1079 practices were used to develop the scores and a separate set of 357 practices to validate the scores. 1.47 million patients aged 65-100 years were in the derivation cohort and 0...
September 20, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28931501/cancer-predisposition-cascade-screening-for-hereditary-breast-ovarian-cancer-and-lynch-syndromes-in-switzerland-study-protocol
#14
Maria C Katapodi, Valeria Viassolo, Maria Caiata-Zufferey, Christos Nikolaidis, Rosmarie Bührer-Landolt, Nicole Buerki, Rossella Graffeo, Henrik Csaba Horváth, Christian Kurzeder, Manuela Rabaglio, Michael Scharfe, Corinne Urech, Tobias E Erlanger, Nicole Probst-Hensch, Karl Heinimann, Viola Heinzelmann-Schwarz, Olivia Pagani, Pierre O Chappuis
BACKGROUND: Breast, colorectal, ovarian, and endometrial cancers constitute approximately 30% of newly diagnosed cancer cases in Switzerland, affecting more than 12,000 individuals annually. Hundreds of these patients are likely to carry germline pathogenic variants associated with hereditary breast ovarian cancer (HBOC) or Lynch syndrome (LS). Genetic services (counseling and testing) for hereditary susceptibility to cancer can prevent many cancer diagnoses and deaths through early identification and risk management...
September 20, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28931404/a-cluster-randomized-trial-to-reduce-major-perinatal-morbidity-among-women-with-one-prior-cesarean-delivery-in-qu%C3%A3-bec-prisma-trial-study-protocol-for-a-randomized-controlled-trial
#15
N Chaillet, E Bujold, B Masse, W A Grobman, P Rozenberg, J C Pasquier, A Shorten, M Johri, F Beaudoin, H Abenhaim, S Demers, W Fraser, M Dugas, S Blouin, E Dubé, R Gauthier
BACKGROUND: Rates of cesarean delivery are continuously increasing in industrialized countries, with repeated cesarean accounting for about a third of all cesareans. Women who have undergone a first cesarean are facing a difficult choice for their next pregnancy, i.e.: (1) to plan for a second cesarean delivery, associated with higher risk of maternal complications than vaginal delivery; or (b) to have a trial of labor (TOL) with the aim to achieve a vaginal birth after cesarean (VBAC) and to accept a significant, but rare, risk of uterine rupture and its related maternal and neonatal complications...
September 20, 2017: Trials
https://www.readbyqxmd.com/read/28930959/outcomes-after-concomitant-traumatic-brain-injury-and-hemorrhagic-shock-a-secondary-analysis-from-the-pragmatic-randomized-optimal-platelets-and-plasma-ratios-trial
#16
Samuel M Galvagno, Erin E Fox, Savitri N Appana, Sarah Baraniuk, Patrick L Bosarge, Eileen M Bulger, Rachel A Callcut, Bryan A Cotton, Michael Goodman, Kenji Inaba, Terence O'Keeffe, Martin A Schreiber, Charles E Wade, Thomas M Scalea, John B Holcomb, Deborah M Stein
BACKGROUND: Often the clinician is faced with a diagnostic and therapeutic dilemma in patients with concomitant traumatic brain injury (TBI) and hemorrhagic shock (HS), as rapid deterioration from either can be fatal. Knowledge about outcomes after concomitant TBI and HS may help prioritize the emergent management of these patients. We hypothesized that patients with concomitant TBI and HS (TBI + HS) had worse outcomes and required more intensive care compared with patients with only one of these injuries...
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28930628/estimation-and-inference-for-the-mediation-proportion
#17
Daniel Nevo, Xiaomei Liao, Donna Spiegelman
In epidemiology, public health and social science, mediation analysis is often undertaken to investigate the extent to which the effect of a risk factor on an outcome of interest is mediated by other covariates. A pivotal quantity of interest in such an analysis is the mediation proportion. A common method for estimating it, termed the "difference method", compares estimates from models with and without the hypothesized mediator. However, rigorous methodology for estimation and statistical inference for this quantity has not previously been available...
September 20, 2017: International Journal of Biostatistics
https://www.readbyqxmd.com/read/28930298/comparison-of-questionnaire-based-estimation-of-pesticide-residue-intake-from-fruits-and-vegetables-with-urinary-concentrations-of-pesticide-biomarkers
#18
Yu-Han Chiu, Paige L Williams, Lidia Mínguez-Alarcón, Matthew Gillman, Qi Sun, Maria Ospina, Antonia M Calafat, Russ Hauser, Jorge E Chavarro
We developed a pesticide residue burden score (PRBS) based on a food frequency questionnaire and surveillance data on food pesticide residues to characterize dietary exposure over the past year. In the present study, we evaluated the association of the PRBS with urinary concentrations of pesticide biomarkers. Fruit and vegetable (FV) intake was classified as having high (PRBS≥4) or low (PRBS<4) pesticide residues for 90 men from the EARTH study. Two urine samples per man were analyzed for seven biomarkers of organophosphate and pyrethroid insecticides, and the herbicide 2,4-dichlorophenoxyacetic acid...
September 20, 2017: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/28930066/alcohol-policies-and-alcohol-involved-homicide-victimization-in-the-united-states
#19
Timothy S Naimi, Ziming Xuan, Sharon M Coleman, Marlene C Lira, Scott E Hadland, Susanna E Cooper, Timothy C Heeren, Monica H Swahn
OBJECTIVE: The purpose of this study was to examine the associations between the alcohol policy environment and alcohol involvement in homicide victims in the United States, overall and by sociodemographic groups. METHOD: To characterize the alcohol policy environment, the presence, efficacy, and degree of implementation of 29 alcohol policies were used to determine Alcohol Policy Scale (APS) scores by state and year. Data about homicide victims from 17 states from 2003 to 2012 were obtained from the National Violent Death Reporting System...
September 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28929537/the-value-of-local-registry-data-for-describing-cervical-cancer-management-and-outcomes-over-three-decades-in-australia
#20
D Roder, M Davy, S Selva-Nayagam, R Gowda, S Paramasivam, J Adams, D Keefe, M Eckert, K Powell, K Fusco, D Buranyi-Trevarton, M K Oehler
Registry data on invasive cervical cancers (n = 1,274) from four major hospitals (1984-2012) were analysed to determine their value for informing local service delivery in Australia. The methodology comprised disease-specific survival analyses using Kaplan-Meier product-limit estimates and Cox proportional hazards models and treatment analyses using logistic regression. Five- and 10-year survivals were 72% and 68%, respectively, equating with relative survival estimates for Australia and the USA. Most common treatments were surgery and radiotherapy...
September 20, 2017: European Journal of Cancer Care
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