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"Propensity score"

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https://www.readbyqxmd.com/read/28651157/different-patterns-in-the-risk-of-newly-developed-fatty-liver-and-lipid-changes-with-tamoxifen-versus-aromatase-inhibitors-in-postmenopausal-women-with-early-breast-cancer-a-propensity-score-matched-cohort-study
#1
Namki Hong, Han Gyul Yoon, Da Hea Seo, Seho Park, Seung Il Kim, Joo Hyuk Sohn, Yumie Rhee
BACKGROUND: Management of metabolic complications of long-term adjuvant endocrine therapy in early breast cancer remained an unmet need. We aimed to compare the effects of tamoxifen (TMX) and aromatase inhibitors (AIs) on the risk of fatty liver in conjunction with longitudinal changes in the serum lipid parameters. METHODS: Among 1203 subjects who were taking adjuvant TMX or AI (anastrozole or letrozole) without fatty liver at baseline, those taking TMX or AI were 1:1 matched on the propensity score...
June 23, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28650524/us-guided-core-needle-biopsy-versus-us-guided-fine-needle-aspiration-of-suspicious-cervical-lymph-nodes-for-staging-workup-of-non-head-and-neck-malignancies-a-propensity-score-matching-study
#2
Kyeong Hwa Ryu, Jeong Hyun Lee, Seung Won Jang, Hwa Jung Kim, Ji Ye Lee, Sae Rom Chung, Mi Sun Chung, Hyo Weon Kim, Young Jun Choi, Jung Hwan Baek
BACKGROUND AND OBJECTIVES: To compare US-guided core-needle biopsy (USCNB) and US-guided fine-needle aspiration (USFNA) of suspicious cervical lymph nodes for staging workup of malignancies in locations other than the head and neck using propensity score matching (PSM). METHODS: This retrospective cohort study included 108 patients who underwent USFNA and 1058 who underwent USCNB for suspicious cervical lymph nodes detected by imaging modalities during the staging workup for malignancies located in regions other than the head and neck...
June 26, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28650359/outcomes-of-concurrent-operations-results-from-the-american-college-of-surgeons-national-surgical-quality-improvement-program
#3
Jason B Liu, Julia R Berian, Kristen A Ban, Yaoming Liu, Mark E Cohen, Peter Angelos, Jeffrey B Matthews, David B Hoyt, Bruce L Hall, Clifford Y Ko
OBJECTIVE: To determine whether concurrently performed operations are associated with an increased risk for adverse events. BACKGROUND: Concurrent operations occur when a surgeon is simultaneously responsible for critical portions of 2 or more operations. How this practice affects patient outcomes is unknown. METHODS: Using American College of Surgeons' National Surgical Quality Improvement Program data from 2014 to 2015, operations were considered concurrent if they overlapped by ≥60 minutes or in their entirety...
June 22, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28650248/health-services-utilization-among-fee-for-service-medicare-and-medicaid-patients-under-age-65-with-behavioral-health-illness-at-an-urban-safety-net-hospital
#4
Ramon S Cancino, Brian W Jack, John Jarvis, Alice Kate Cummings, Ellie Cooper, Pierre-Yves Cremieux, James F Burgess
BACKGROUND: In 2011, fee-for-service patients with both Medicare and Medicaid (dual eligible) sustained $319.5 billion in health care costs. OBJECTIVE: To describe the emergency department (ED) use and hospital admissions of adult dual eligible patients aged under 65 years who used an urban safety net hospital. METHODS: This was a retrospective database analysis of patients aged between 18 and 65 years with Medicare and Medicaid, who used an urban safety net academic health center between January 1, 2011, and December 31, 2011...
July 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28650228/cdc-s-testing-makes-us-stronger-tmus-campaign-was-campaign-exposure-associated-with-hiv-testing-behavior-among-black-gay-and-bisexual-men
#5
Nancy Habarta, Vanessa Boudewyns, Hannah Badal, Jennie Johnston, Jennifer Uhrig, Donata Green, Paul Ruddle, Jacqueline Rosenthal, Jo Ellen Stryker
This study assessed exposure among Black gay, bisexual, and other men who have sex with men (BMSM) to a communication campaign, Testing Makes Us Stronger (TMUS), and its association with HIV testing to determine campaign effectiveness. Data from an online survey (N = 3,105) were analyzed using propensity score weight-adjusted logistic regression to examine the effect of exposure on HIV testing. Among BMSM aged 18-44 (n = 702), 43.2% reported TMUS exposure. The majority of those exposed were aged 25-34 (54%), HIV-negative (65%), and had some college education (87%)...
June 2017: AIDS Education and Prevention: Official Publication of the International Society for AIDS Education
https://www.readbyqxmd.com/read/28649912/comparative-effectiveness-of-rituximab-relative-to-ifn-%C3%AE-or-glatiramer-acetate-in-relapsing-remitting-ms-from-the-swedish-ms-registry
#6
Tim Spelman, Thomas Frisell, Fredrik Piehl, Jan Hillert
OBJECTIVE: To compare treatment effectiveness and persistence in relapsing-remitting multiple sclerosis patients who initiated rituximab versus glatiramer acetate (GA) or interferon-beta (IFN-β). METHODS: A total of 461 patients from the Swedish MS registry in the rituximab arm were propensity score matched on a 1:2 basis with 922 patients from the IFN-β/GA comparator, between April 2005 and November 2015. Annualised relapse rate (ARR) was compared using the Poisson method...
June 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28649894/comparison-of-all-cause-stroke-and-bleed-specific-healthcare-resource-utilization-among-patients-with-non-valvular-atrial-fibrillation-nvaf-and-newly-treated-with-dabigatran-or-warfarin
#7
Xue Song, Pranav Gandhi, Adrienne M Gilligan, Prachi Arora, Cheng Wang, Caroline Henriques, Stephen Sander, David M Smith
OBJECTIVE: We compared healthcare utilization outcomes and persistence among non-valvular atrial fibrillation (NVAF) patients newly treated with dabigatran or warfarin. METHODS: Using a nationwide, US administrative claims database, a retrospective matched-cohort of newly diagnosed NVAF patients (age≥18 years) treated with dabigatran or warfarin (propensity score matched 1:1) in 01/01/2011-12/31/2013 was evaluated. All-cause, stroke- and bleed-specific per-patient per-month (PPPM) HCRU, incidence rate of hospitalization for stroke or bleed, 30-day readmission, and persistence were reported...
June 26, 2017: Expert Review of Pharmacoeconomics & Outcomes Research
https://www.readbyqxmd.com/read/28649309/respiratory-symptoms-among-swedish-soldiers-after-military-service-abroad-association-with-time-spent-in-a-desert-environment
#8
Johannes Saers, Linda Ekerljung, Bertil Forsberg, Christer Janson
Introduction: The aim of this paper was to study whether Swedish soldiers who have served abroad had a higher prevalence of respiratory symptoms than the general population and, if this was the case, also to study whether this was associated with time spent in a desert environment. Methods:The prevalence of respiratory symptoms among 1,080 veterans from Kosovo and Afghanistan was compared with that in almost 27,000 subjects from a general population sample, using propensity score matching and logistic regression...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28648576/prior-gastroscopy-and-mortality-in-patients-with-gastric-cancer-a-matched-retrospective-cohort-study
#9
Wai K Leung, Hsiu J Ho, Jaw-Town Lin, Ming-Shiang Wu, Chun-Ying Wu
BACKGROUND & AIMS: The role of prior gastroscopy on outcome of gastric cancer patients remains unknown. This study determines the association between intervals of prior gastroscopy and mortality in patients with gastric cancer. METHODS: We identified 20,066 newly diagnosed gastric cancer patients in the national health insurance database of Taiwan between 2002 and 2007. After excluding gastroscopy performed 6 months before diagnosis of cancer, patients were matched into 3 cohorts according to the intervals of prior gastroscopy: 6 months to 2 years (<2Y cohort), 2 to 5 years (2-5Y cohort), and none within recent 5 years (>5Y cohort)...
June 22, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28648126/knee-osteoarthritis-and-risk-of-hypertension-a-longitudinal-cohort-study
#10
Nicola Veronese, Brendon Stubbs, Marco Solmi, Toby Smith, Marianna Noale, Patricia Schofield, Stefania Maggi
Whilst previous research has indicated an association between osteoarthritis and cardiovascular disease, it remains unclear whether people with osteoarthritis are at greater risk of developing hypertension. The aim of this study was to answer this uncertainity. We used the data of the Osteoarhritis Iniative, an ongoing public and private longitudinal study including people at higher risk of osteoarthritis or having knee osteoarthritis. Knee osteoarthritis was defined through radiological and clinical assessment...
June 24, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28647858/counter-intuitive-plasma-vitamin-d-and-zinc-status-in-hiv-1-infected-adults-with-persistent-low-level-viraemia-after-treatment-initiation-a-pilot-case-control-study
#11
H Melliez, A Duhamel, O Robineau, L Bocket, I Kim, E Sauser, F Loiseleur, N Viget, A Pasquet, E Senneville, D Seguy
Determinants of persistent low-level viraemia [PLLV, a viral load (VL) of between 50 and 500 copies/mL] have not been elucidated. In a case-control study, we evaluated the influence of micronutrients on PLLV in a population of 454 HIV-1 adults having initiated antiretroviral therapy (ART) between January 2007 and December 2011. Plasma levels of retinol (vitamin A), 25-OH vitamin D2 + D3, vitamin E and zinc were measured at ART initiation in cases (PLLV after 6 months of ART) and in controls (VL <50 copies/mL after 6 months)...
June 24, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28647804/estimating-the-long-term-functional-burden-of-osteoporosis-related-fractures
#12
S Fischer, K A Kapinos, A Mulcahy, L Pinto, O Hayden, R Barron
Although fractures are associated with short-term reductions in functional status, there is limited information on longer-term burden of fracture. This study documents evidence of an association between fractures and significant declines and functional health and activities that persist but attenuate beyond two years. INTRODUCTION: Although fractures are associated with short-term reductions in functional status and may have other short-term effects on healthcare utilization (hospitalization and follow-up care), there is limited information on long-term burden of fracture beyond 12 to 24 months post-fracture...
June 24, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28647690/acute-kidney-injury-after-primary-angioplasty-is-contrast-induced-nephropathy-the-culprit
#13
Oren Caspi, Manhal Habib, Yuval Cohen, Arthur Kerner, Ariel Roguin, Eitan Abergel, Monther Boulos, Michael R Kapeliovich, Rafael Beyar, Eugenia Nikolsky, Doron Aronson
BACKGROUND: Acute kidney injury (AKI) following primary percutaneous coronary intervention (pPCI) is frequently interpreted as contrast-induced AKI but may result from other insults. We aimed to determine the causal association of contrast material exposure and the incidence of AKI following pPCI using a control group of propensity score-matched patients with ST-segment-elevation myocardial infarction who were not exposed to contrast material. METHODS AND RESULTS: We studied 2025 patients with ST-segment-elevation myocardial infarction who underwent pPCI and 1025 patients receiving fibrinolysis or no reperfusion who were not exposed to contrast material during the first 72 hours of hospital stay (control group)...
June 24, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28647395/survival-differences-among-patients-with-bladder-cancer-according-to-sex-critical-evaluation-of-radical-cystectomy-use-and-delay-to-treatment
#14
Stephen B Williams, Jinhai Huo, Tamer J Dafashy, Cameron K Ghaffary, Jacques G Baillargeon, Edwin E Morales, Simon P Kim, Yong-Fang Kuo, Eduardo Orihuela, Douglas S Tyler, Stephen J Freedland, Ashish M Kamat
OBJECTIVE: Sex differences in bladder cancer survival are well known. However, the effect of type of treatment, timing to surgery when rendered, and survival outcomes according to sex have not been extensively examined. Given the relatively low incidence of bladder cancer in females, large multicenter and population-based studies are required to elucidate sex differences in survival. In this study, we sought to characterize the effect of use and timing of radical cystectomy (RC) according to sex and survival outcomes...
June 21, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28646773/survival-outcomes-of-patients-with-lobular-carcinoma-in-situ-who-underwent-bilateral-mastectomy-or-partial-mastectomy
#15
Ze-Ming Xie, Jian Sun, Zhe-Yu Hu, Yao-Pan Wu, Peng Liu, Jun Tang, Xiang-Sheng Xiao, Wei-Dong Wei, Xi Wang, Xiao-Ming Xie, Ming-Tian Yang
AIM: To compare the survival outcomes between patients treated with bilateral mastectomy and partial mastectomy alone as the initial surgical management for primary lobular carcinoma in situ (LCIS). PATIENTS AND METHODS: Patients with histologically confirmed LCIS underwent partial mastectomy alone or bilateral mastectomy were identified by the SEER*Stat database (version 8.3.2) released in 2016. The primary outcome measure was all-cause mortality and the secondary outcome measure was breast cancer-specific mortality...
June 21, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28646258/selective-survival-advantage-associated-with-primary-tumor-resection-for-metastatic-gastric-cancer-in-a-western-population
#16
René Warschkow, Matthias Baechtold, Kenneth Leung, Bruno M Schmied, Daniel P Nussbaum, Beat Gloor, Dan G Blazer Iii, Mathias Worni
BACKGROUND: The prognosis of metastatic gastric cancer (GC) remains dismal, with a median survival of 10 months. Historically, primary tumor resection was not thought to confer any survival benefit. Although high-level data exist guiding treatment of metastatic GC for patients in the East, no such data exist for Western patients despite inherent ethnic differences in GC biology. METHODS: The 2006-2012 National Cancer Database was queried for adult patients with metastatic gastric adenocarcinoma...
June 23, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28645802/comparative-effects-of-long-and-short-acting-loop-diuretics-on-mortality-in-patients-with-chronic-heart-failure
#17
Shu Kasama, Takuji Toyama, Masahiko Kurabayashi
BACKGROUND: We previously reported that the long-acting loop diuretic azosemide improves cardiac sympathetic nerve activity (CSNA) in patients with chronic heart failure (CHF), compared with short-acting furosemide. However, its influence on mortality has not been determined. METHODS: The present study was a further analysis of our previously published study in which azosemide showed improved (123)I-metaiodobenzylguanidine scintigraphic findings compared with furosemide in CHF patients with reduced left ventricular ejection fraction (LVEF)...
June 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28645647/racial-disparity-in-mycosis-fungoides-an-analysis-of-4495-cases-from-the-us-national-cancer-database
#18
Chang Su, Kevin A Nguyen, Harrison X Bai, Ya Cao, Yongguang Tao, Rong Xiao, Giorgos Karakousis, Paul J Zhang, Guiying Zhang
BACKGROUND: Studies have shown contradictory results regarding the survival outcomes among white, African American, and Asian patients with mycosis fungoides (MF). OBJECTIVE: To evaluate the survival outcomes among white, African American, and Asian patients with MF and to determine other prognostic factors of the disease. METHODS: The US National Cancer Database was used to identify patients with histologically confirmed MF from 2004 to 2014...
June 20, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28645572/longitudinal-associations-between-mental-health-conditions-and-overactive-bladder-in-women-veterans
#19
Catherine S Bradley, Ingrid E Nygaard, Stephen L Hillis, James C Torner, Anne G Sadler
BACKGROUND: One in five recently deployed U.S. women veterans report overactive bladder symptoms. Mental health conditions such as depression and anxiety commonly co-occur in women with overactive bladder, but temporal relationships between these outcomes have not been well-studied, and the mechanism behind this association is unknown. The Women Veterans Urinary Health Study, a nationwide longitudinal study in recently deployed women veterans, was designed to better understand relationships between overactive bladder and mental health conditions...
June 20, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28645252/statin-use-reduces-cardiovascular-events-and-all-cause-mortality-amongst-chinese-patients-with-type-2-diabetes-mellitus-a-5-year-cohort-study
#20
Colman Siu Cheung Fung, Eric Yuk Fai Wan, Anca Ka Chun Chan, Cindy Lo Kuen Lam
BACKGROUND: The benefit of statin on the management of Type 2 Diabetes Mellitus (T2DM) among Chinese patients in primary care is not clear nor fully implemented in clinical practice. This study aimed to evaluate and quantify the benefit of statin on the overall cardiovascular risk and all-cause mortality in patients with T2DM. METHODS: Uncomplicated diabetic patients with baseline low-density-lipoprotein cholesterol (LDL-C) > 2.6 mmol/L and without statin use before baseline in 2010 were followed-up for 5 years for cardiovascular disease (CVD) events and all-cause mortality...
June 24, 2017: BMC Cardiovascular Disorders
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