Adaptation of the Charlson Comorbidity Index for Register-Based Research in Sweden.

abstract：Purpose:To validate the use of International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes to identify patients with chronic hepatitis B virus (HBV) and hepatitis C virus (HCV) infection in the Taiwan National Health Insurance (NHI) Outpatient Claims Dataset. Methods:We conducted ...

journal_title：Clinical epidemiology

authors： Sheu MJ,Liang FW,Li ST,Li CY,Lu TH

更新日期：2020-02-20 00:00:00

abstract：Aim:To improve consistency between register studies in Sweden and ensure valid comparisons of possible changes in alcohol-related disorders and diseases (ARDDs) over time, we propose a definition of ARDDs. Based on this definition, we examined Sweden's incidence rates of ARDDs from 1970 to 2018 in non-primary healthcar...

journal_title：Clinical epidemiology

authors： Bergman D,Hagström H,Capusan AJ,Mårild K,Nyberg F,Sundquist K,Ludvigsson JF

更新日期：2020-12-31 00:00:00

abstract：BACKGROUND:Physical activity (PA) and its relationship with all-cause mortality suggest a strong and consistent inverse association. This study prospectively investigated the association between PA level and mortality among participants of the Norwegian Women and Cancer (NOWAC) Study. METHODS:A total of 66,136 NOWAC p...

journal_title：Clinical epidemiology

authors： Borch KB,Braaten T,Lund E,Weiderpass E

更新日期：2011-01-01 00:00:00

abstract：Aim:The EPICHRONIC (EPIdemiology of CHRONIC diseases) project investigated the possibility of developing common procedures for French and Spanish electronic health care databases to enable large-scale pharmacoepidemiological studies on chronic diseases. A feasibility study assessed the prevalence of type 2 diabetes mel...

journal_title：Clinical epidemiology

authors： Moulis G,Ibañez B,Palmaro A,Aizpuru F,Millan E,Lapeyre-Mestre M,Sailler L,Cambra K

更新日期：2018-07-27 00:00:00

abstract：Purpose:This paper aims to compare the clinical effectiveness of oral anti-osteoporosis drugs based on the observed risk of fracture while on treatment in primary care actual practice. Materials and methods:We investigated two primary care records databases covering UK National Health Service (Clinical Practice Resear...

journal_title：Clinical epidemiology

authors： Khalid S,Calderon-Larrañaga S,Hawley S,Ali MS,Judge A,Arden N,van Staa T,Cooper C,Javaid MK,Prieto-Alhambra D

更新日期：2018-10-09 00:00:00

abstract：BACKGROUND:Long-term mortality and causes of death in patients with pulmonary tuberculosis (PTB) and extrapulmonary tuberculosis (EPTB) are poorly documented. In this study, long-term mortality and causes of death in PTB and EPTB patients were compared with the background population and it was investigated whether mort...

journal_title：Clinical epidemiology

authors： Christensen AS,Roed C,Andersen PH,Andersen AB,Obel N

更新日期：2014-11-13 00:00:00

abstract：BACKGROUND:The aim of the present study was to validate the data in the Aarhus Sarcoma Registry (ASR), to determine if this registry is population-based for western Denmark, and to examine the incidence of sarcomas using validated, population-based registry data. METHODS:This study was based on patients with bone and ...

journal_title：Clinical epidemiology

authors： Maretty-Nielsen K,Aggerholm-Pedersen N,Keller J,Safwat A,Baerentzen S,Pedersen AB

更新日期：2013-03-06 00:00:00

abstract：Purpose:Apolipoproteins C-I, C-II, C-III and E have been associated with risk of arterial thrombotic diseases. We investigated whether these apolipoproteins have prothrombotic properties and are associated with risk of venous thromboembolism (VTE). Patients and methods:A total of 127 VTE patients and 299 controls were...

journal_title：Clinical epidemiology

authors： Orsi FA,Lijfering WM,Van der Laarse A,Ruhaak LR,Rosendaal FR,Cannegieter SC,Cobbaert C

更新日期：2019-07-22 00:00:00

abstract：Purpose:To establish the validity of intracerebral hemorrhage (ICH) diagnoses in the Danish Stroke Registry (DSR) and the Danish National Patient Registry (DNPR). Patients and Methods:Based on discharge summaries and brain imaging reports, we estimated the positive predictive value (PPV) of a first-ever diagnosis code...

journal_title：Clinical epidemiology

authors： Hald SM,Kring Sloth C,Agger M,Schelde-Olesen MT,Højholt M,Hasle M,Bogetofte H,Olesrud I,Binzer S,Madsen C,Krone W,García Rodríguez LA,Al-Shahi Salman R,Hallas J,Gaist D

更新日期：2020-12-01 00:00:00

abstract：BACKGROUND:The study objective was to compare the Newcastle-Ottawa Scale (NOS) and the RTI item bank (RTI-IB) and estimate interrater agreement using the RTI-IB within a systematic review on the cardiovascular safety of glucose-lowering drugs. METHODS:We tailored both tools and added four questions to the RTI-IB. Two ...

journal_title：Clinical epidemiology

authors： Margulis AV,Pladevall M,Riera-Guardia N,Varas-Lorenzo C,Hazell L,Berkman ND,Viswanathan M,Perez-Gutthann S

更新日期：2014-10-10 00:00:00

abstract：Background:Sentinel lymph node biopsy (SLNB) was introduced over 30 years ago, but the application of SLNB in China is unclear. This study aimed to explore the real-world implementation of SLNB among early-stage breast cancer patients in China. Methods:A multi-center, retrospective study was conducted among primary br...

journal_title：Clinical epidemiology

authors： Zhang J,Wang T,Yan C,Huang M,Fan Z,Ling R

更新日期：2020-09-01 00:00:00

abstract：BACKGROUND:A number of studies have shown poorer survival among cancer patients with comorbidity. Several mechanisms may underlie this finding. In this review we summarize the current literature on the association between patient comorbidity and cancer prognosis. Prognostic factors examined include tumor biology, diagn...

journal_title：Clinical epidemiology

authors： Søgaard M,Thomsen RW,Bossen KS,Sørensen HT,Nørgaard M

更新日期：2013-11-01 00:00:00

abstract：Purpose:Former studies have suggested that women with Crohn's disease (CD) and ulcerative colitis (UC) have a decreased chance of a live born child after assisted reproductive technology (ART) treatment. It is debated whether corticosteroids before ART may improve outcomes, either by decreasing inflammatory bowel disea...

journal_title：Clinical epidemiology

authors： Nørgård BM,Larsen MD,Friedman S,Fedder J

更新日期：2020-03-23 00:00:00

abstract：BACKGROUND:Data from the Nordic health care registers have been of great value in perinatal epidemiological research. It has been assumed that findings from the Nordic population (Denmark, Finland, Iceland, Norway, and Sweden) are applicable to other populations as well, including the population of the US. OBJECTIVE:T...

journal_title：Clinical epidemiology

authors： Löfling L,Bröms G,Bahmanyar S,Kieler H

更新日期：2016-08-03 00:00:00

abstract：:Background: The Swedish National Patient Registry (NPR) is a nationwide registry that is used extensively for epidemiological research. Using the NPR, we recently found a recurrent pregnancy loss (RPL) incidence of 650/100,000 (0.65%) pregnant women in Sweden. It is of great importance that the quality of the coding i...

journal_title：Clinical epidemiology

authors： Rasmark Roepke E,Christiansen OB,Hansson SR

更新日期：2019-05-08 00:00:00

abstract：Background:Prenatal exposures may contribute to male infertility in adult life, but large-scale epidemiological evidence is still lacking. The Fetal Programming of Semen quality (FEPOS) cohort was founded to provide means to examine if fetal exposures can interfere with fetal reproductive development and ultimately lea...

journal_title：Clinical epidemiology

authors： Keglberg Hærvig K,Bonde JP,Ramlau-Hansen CH,Toft G,Hougaard KS,Specht IO,Giwercman A,Nybo Andersen AM,Olsen J,Lindh C,Bjerre Høyer B,Tøttenborg SS

更新日期：2020-07-17 00:00:00

abstract：BACKGROUND:A number of population-based studies have demonstrated lower cancer survival in elderly patients than among middle-aged or younger patients. Also, data quality in cancer registries has been shown to be associated with age. The objective of this study was to examine the recent age-specific cancer survival tre...

journal_title：Clinical epidemiology

authors： Innos K,Lang K,Pärna K,Aareleid T

更新日期：2015-07-29 00:00:00

abstract：BACKGROUND:Osteonecrosis of the jaw (ONJ) is an adverse effect of drugs that suppress bone turnover - for example, drugs used for the treatment of postmenopausal osteoporosis. The Danish National Registry of Patients (DNRP) is potentially valuable for monitoring ONJ and its prognosis; however, no specific code for ONJ ...

journal_title：Clinical epidemiology

authors： Gammelager H,Sværke C,Noerholt SE,Neumann-Jensen B,Xue F,Critchlow C,Bergdahl J,Lagerros YT,Kieler H,Tell GS,Ehrenstein V

更新日期：2013-08-01 00:00:00

abstract：PURPOSE:Large-scale observational studies based on existing medical databases may have an important role in studies of long-term effects of different treatments in prostate cancer patients if the coding of the treatment is valid. We therefore estimated the positive predictive value (PPV) and negative predictive value (...

journal_title：Clinical epidemiology

authors： Jespersen CG,Borre M,Nørgaard M

更新日期：2012-01-01 00:00:00

abstract：:Memory diseases are the most important determinant of health care service use and quality of life among older individuals. Adverse effects of medication are common among older people, but this age group is underrepresented in clinical trials. Finnish statutory health care and prescription registers, together with pers...

journal_title：Clinical epidemiology

authors： Tolppanen AM,Taipale H,Koponen M,Lavikainen P,Tanskanen A,Tiihonen J,Hartikainen S

更新日期：2013-08-07 00:00:00

abstract：Background:The presence of comorbid medical conditions can significantly affect a cancer patient's treatment options, quality of life, and survival. However, these important data are often lacking from population-based cancer registries. Leveraging routine linkage to hospital discharge data, a comorbidity score was cal...

journal_title：Clinical epidemiology

authors： Lichtensztajn DY,Giddings BM,Morris CR,Parikh-Patel A,Kizer KW

更新日期：2017-11-20 00:00:00

abstract：Purpose:To identify the characteristics and initial disease severity of patients with nonalcoholic fatty liver disease (NAFLD) and assess incidence and risk factors for disease progression in a retrospective study. Methods:Patients ≥18 years of age without alcoholism or other liver diseases (eg, hepatitis B/C) were se...

journal_title：Clinical epidemiology

authors： Simeone JC,Bae JP,Hoogwerf BJ,Li Q,Haupt A,Ali AK,Boardman MK,Nordstrom BL

更新日期：2017-12-14 00:00:00

abstract：Purpose:Sharing of detailed individual-level data continues to pose challenges in multi-center studies. This issue can be addressed in part by using analytic methods that require only summary-level information to perform the desired multivariable-adjusted analysis. We examined the feasibility and empirical validity of ...

journal_title：Clinical epidemiology

authors： Toh S,Wellman R,Coley RY,Horgan C,Sturtevant J,Moyneur E,Janning C,Pardee R,Coleman KJ,Arterburn D,McTigue K,Anau J,Cook AJ

更新日期：2018-11-27 00:00:00

abstract：Purpose:Synthetic oxytocin for labor augmentation during birth has been linked to negative neurodevelopment effects in children. We examined whether maternal labor augmentation was associated with lower cognitive ability in young adulthoods. Patients and methods:We identified 330,107 individuals (96.6% were men), with...

journal_title：Clinical epidemiology

authors： Stokholm L,Talge NM,Christensen GT,Juhl M,Mortensen LH,Strandberg-Larsen K

更新日期：2018-11-26 00:00:00

abstract：BACKGROUND:Comorbidity indices summarize complex medical histories into concise ordinal scales, facilitating stratification and regression in epidemiologic analyses. Low subject prevalence in the highest strata of a comorbidity index often prompts combination of upper categories into a single stratum ('collapsing'). O...

journal_title：Clinical epidemiology

authors： Ahern TP,Bosco JL,Silliman RA,Yood MU,Field TS,Wei F,Lash TL

更新日期：2009-08-09 00:00:00

abstract：BACKGROUND:With the emergence of new lipid-lowering therapies, more patients are expected to achieve substantial lowering of low-density lipoprotein cholesterol (LDL-C). However, there are limited data examining the clinical experience of patients with low (<1.3 mmol/L) or very low (<0.65 mmol/L) levels of LDL-C. To pr...

journal_title：Clinical epidemiology

authors： Schmidt SA,Heide-Jørgensen U,Manthripragada AD,Ehrenstein V

更新日期：2015-02-26 00:00:00

abstract：:Methicillin-resistant Staphylococcus aureus (MRSA) remains one of the most important causes of nosocomial infections worldwide. Since the global spread of MRSA in the 1960s, MRSA strains have evolved with increased pathogenic potential. Notably, some strains are now capable of causing persistent infections not only in...

journal_title：Clinical epidemiology

authors： Chatterjee SS,Otto M

更新日期：2013-07-04 00:00:00

abstract：Background:Hydroxychloroquine and chloroquine may reduce the risk of cancer as they inhibit autophagy, in particular, in people with connective tissue diseases. Methods:The hazard ratios of cancers, metastases, and death were assessed in adults with connective tissue diseases prescribed hydroxychloroquine/chloroquine ...

journal_title：Clinical epidemiology

authors： Fardet L,Nazareth I,Petersen I

更新日期：2017-11-03 00:00:00

abstract：Background:Participation in cervical cancer screening varies by socioeconomic status. The aims were to assess if offering human papilloma virus (HPV) self-sampling kits has an effect on screening participation among various socioeconomic groups and to determine if two invitation strategies for offering self-sampling in...

journal_title：Clinical epidemiology

authors： Tranberg M,Bech BH,Blaakær J,Jensen JS,Svanholm H,Andersen B

更新日期：2018-08-23 00:00:00

abstract：BACKGROUND:To date there has not been any nationwide age-standardized incidence data reported for prostate cancer in Nigeria. We examined and integrated diverse trends in the age-specific incidence of prostate cancer into a comprehensive trend for Nigeria, and examined how best the existing data could generate a countr...

journal_title：Clinical epidemiology

authors： Ifere GO,Abebe F,Ananaba GA

更新日期：2012-01-01 00:00:00