تالیفات

 

Treatment of low back pain: First extended follow up of an original trial (NCT00600197) comparing a multidisciplinary group-based rehabilitation program with oral drug treatment alone up to 24 months

مولف: Sedigheh Sadat TAVAFIAN, 1 Ahmad Reza JAMSHIDI2 and Barbara SHAY

خلاصه: multidisciplinary rehabilitation program which was continued by monthly motivational consultation. Data on measures of Short Form 36 (SF-36), Quebec Disability Scale (QDS) and Ronald Morris Disability (RDQ) were collected at 12-, 18- and 24-month follow-ups and analyzed through repeated measures analysis of variance. Results: The patients who responded (n = 165) and who did not respond (n = 32) to the questionnaires were the same in terms of all baseline data except for physical ... سال انتشار: 2017
 

Downregulation of Aquaporin3 in Systemic Sclerosis Dermal Fibroblasts

مولف: Bahman Yousefi1, 2, Mahdi Mahmoudi1, Abdolfattah Sarafnejad2, Elham Karimizadeh1, Elham Farhadi3, Ahmad Reza Jamshidi1, Hoda Kavosi1, Saeed Aslani1, and Farhad Gharibdoost1

خلاصه: Skin dryness and thickening are hallmarks of systemic sclerosis (SSc) disease. Aquaporins (AQPs) are plasma membrane proteins that transport glycerol and water, resulting in water retention and skin hydration. Expression of AQPs has been evaluated in human normal skin. However, expression of these proteins in SSc dermal fibroblasts has not yet been reported. The aim of this study was to assess the expression profile of AQPs in dermal fibroblasts of ... سال انتشار: 2017
 

Analysis of killer cell immunoglobulin-like receptors (KIRs) and their HLA ligand genes polymorphisms in Iranian patients with systemic sclerosis

مولف: Mahdi Mahmoudi1 & Faranak Fallahian2 & Soheila Sobhani1 & Shima Ghoroghi1 & Ahmadreza Jamshidi1 & Shiva Poursani 1 & Masoumeh Dolati2 & Zahra Hosseinpour1 & Farhad Gharibdoost1

خلاصه: Abstract Genetic factors have a great role in the pathogenesis of autoimmune diseases by cooperating with environmental stimuli. Killer immunoglobulin-like receptors (KIRs) are cell surface proteins on NK cells whose association with major histocompatibility complex-I regulates their killing function. The aim of this study was to provide information on the possible association between KIR and human leukocyte antigen (HLA) genes with systemic sclerosis disease in Iranian population. A total of 279 systemic sclerosis patients and 451 healthy controls were ... سال انتشار: 2017
 

A Multidisciplinary Workplace Intervention for Chronic Low Back Pain among Nursing Assistants in Iran

Authers: Sarallah Shojaei1, 2, Sedigheh Sadat Tavafian1, Ahmad Reza Jamshidi3, Joan Wagner4

Abstract: Study Design: Interventional research with a 6-month follow-up period. Purpose: We aimed to establish the effectiveness of a multidisciplinary workplace intervention on reduction of work-related low back pain (WRLBP), using ergonomic posture training coupled with an educational program based on social cognitive theory. Overview of Literature: WRLBP is a major occupational problem among healthcare workers, who are often required to lift heavy loads. Patient handling is a particular requirement of nurse aides, and has ... سال انتشار: 2017
 

Cost-EffectivenessAnalysisofTocilizumabinComparisonwith Infliximab inIranianRheumatoidArthritisPatientswith Inadequate ResponsetotDMARDs:AMultistageMarkovModel

Authers: Amir Hashemi-Meshkini, PharmD1, ShekoufehNikfar, PharmD, PhD1, ElizabethGlaser, MS, MA2, Ahmadreza Jamshidi, MD3, SeyedAlirezaHosseini, PharmD, PhD1, 4, *

Abstract: To analyzethecost-effectivenessoftwocommontreat- ment strategiesinIran,comparinginfliximab plusmethotrexatewith tocilizumab plusmethotrexateinpatientswithrheumatoidarthritis with inadequateresponsetotraditionaldisease-modifyinganti- rheumatic drugs. Methods: A multistageMarkovdecisionmodel was appliedtoassesstheincrementalcost-effectivenessratio(ICER) of atocilizumab-containingregimenversusaninfliximab-containing regimen overa5-yeartimeperiod.Inthecaseofnoresponse,we assumed thatpatientsswitchedtothenexttreatment(adalimumab, rituximab, orsupportivecare)insequenceforeachstrategy.We consideredmajorcostitems,suchasdirectmedicalcostsanddirect nonmedical costs,fromapayer(patientsandthird-partypayers) perspective.Adeterministicsensitivityanalysiswasconductedto assess therobustnessofthemodelresultsovertheuncertaintyofkey parameters. Results: In thebase-caseanalysis,theICERofthe tocilizumab-containingregimenwasUS$60,800perquality-adjusted life-year ascomparedtotheinfliximab-containingregimen.In the sensitivityanalysis,changesinthepriceofthedrugsby generic substitution,inutilityscores,andindiscountratedidnot change ouroverallconclusions.Amongallinputstotheprimary study andthesensitivityanalyses,however,thepriceoftocili- zumab hadthemostimpactontheICER. Conclusions: Although tocilizumab andmethotrexateprovidealargergaininquality- adjusted life-years,theircurrentpriceisquitehighascomparedwith those ofourotherinterventions.Therefore,aregimencontaining tocilizumab isnotcost-effectiveascomparedwithaninfliximab- containingregimenforpatientswithrheumatoidarthritisinIran. Keywords: cost-effectiveness,infliximab, Iran,rheumatoidarthritis, tocilizumab. سال انتشار: 2015
 

STAT4 rs7574865 polymorphism in Iranian patients with rheumatoid arthritis

Authers: Zeinab Alizadeh a, b, Ali Farazmand b, Maassoomeh Akhlaghi a, *, Ahmad Reza Jamshidi a, Abtin Shahlaee a, Jafar Karami a, Elmira Shamsian a, Mahdi Mahmoudi

Abstract: The gene encoding signal transducer and activator of transcription 4 (STAT4) has been documented to be associated with rheumatoid arthritis (RA) in several populations. The aim of this study was to determine the association of the STAT4 gene polymorphism (rs7574865) with RA in the Iranian population. Methods: This study included 612 Iranian RA patients and 389 healthy control subjects. For all samples, DNA was genotyped for STAT4 G>T (rs7574865) polymorphism using the MGB TaqMan Allelic Discrimination ... سال انتشار: 2016
 

Rituximab as first choice for patients with refractory rheumatoid arthritis: cost‑effectiveness analysis in Iran based on a systematic review and meta‑analysis

Authers: Saeed Ahmadiani1 · Shekoufeh Nikfar1, 5 · Somayeh Karimi2 · Ahmad Reza Jamshidi3 · Ali Akbari‑Sari4 · Abbas Kebriaeezadeh1

Abstract: Introduction Rheumatoid arthritis (RA) is a chronic inflammatory disease which affects joints and can lead to deformity of proximal organs due to erosion [1]. Prevalence of RA is ranging from 0.3 to 2.1 % in different societies [2]. As reported before, 0.33 % of urban population and 0.19 % of rural population are affected with RA in Iran [3]. With over 77 million population [4], it can be estimated that about 42,000 people in rural area and over ... سال انتشار: 2016
 

Gene Expression Profiling of Toll-Like Receptor 4 and 5 in Peripheral Blood Mononuclear Cells of Patients with Systemic Sclerosis

Authers: Simin Almasi, 2Saeed Aslani, 1Hadi Poormoghim, 2Ahmadreza Jamshidi, 2Shiva Poursani and 2Mahdi Mahmoudi

Abstract: The Toll-Like Receptor (TLR) family is appeared to be expressed in many cell types in the immune system and plays a role in the pathogenesis of various autoimmune diseases. The expression profile and role of TLRs in Systemic Sclerosis (SSc) have been partly explained. It is aimed through this investigation to evaluate the expression pattern of TLR 4 and 5 in Peripheral Blood Mononuclear Cells (PBMCs) from SSc patients. PBMCs were isolated from whole blood of ... سال انتشار: 2016
 

Cost-EffectivenessAnalysisofTocilizumabinComparisonwith Infliximab inIranianRheumatoidArthritisPatientswith Inadequate ResponsetotDMARDs:AMultistageMarkovModel

Authers: Amir Hashemi-Meshkini, PharmD1, ShekoufehNikfar, PharmD, PhD1, ElizabethGlaser, MS, MA2, Ahmadreza Jamshidi, MD3, SeyedAlirezaHosseini, PharmD, PhD1, 4, *

Abstract: To analyzethecost-effectivenessoftwocommontreat- ment strategiesinIran,comparinginfliximab plusmethotrexatewith tocilizumab plusmethotrexateinpatientswithrheumatoidarthritis with inadequateresponsetotraditionaldisease-modifyinganti- rheumatic drugs. Methods: A multistageMarkovdecisionmodel was appliedtoassesstheincrementalcost-effectivenessratio(ICER) of atocilizumab-containingregimenversusaninfliximab-containing regimen overa5-yeartimeperiod.Inthecaseofnoresponse,we assumed thatpatientsswitchedtothenexttreatment(adalimumab, rituximab, orsupportivecare)insequenceforeachstrategy.We consideredmajorcostitems,suchasdirectmedicalcostsanddirect nonmedical costs,fromapayer(patientsandthird-partypayers) perspective.Adeterministicsensitivityanalysiswasconductedto assess therobustnessofthemodelresultsovertheuncertaintyofkey parameters. Results: In thebase-caseanalysis,theICERofthe tocilizumab-containingregimenwasUS$60,800perquality-adjusted life-year ascomparedtotheinfliximab-containingregimen.In the sensitivityanalysis,changesinthepriceofthedrugsby generic substitution,inutilityscores,andindiscountratedidnot change ouroverallconclusions.Amongallinputstotheprimary study andthesensitivityanalyses,however,thepriceoftocili- zumab hadthemostimpactontheICER. Conclusions: Although tocilizumab andmethotrexateprovidealargergaininquality- adjusted life-years,theircurrentpriceisquitehighascomparedwith those ofourotherinterventions.Therefore,aregimencontaining tocilizumab isnotcost-effectiveascomparedwithaninfliximab- containingregimenforpatientswithrheumatoidarthritisinIran. Keywords: cost-effectiveness,infliximab, Iran,rheumatoidarthritis, tocilizumab. Copyright & 2015, سال انتشار: 2016
 

Association study of AFF1 gene polymorphism (rs340630) with Iranian systemic lupus erythematosus patients

Authers: Arabi E1, 3, Garshasbi M2, Jamshidi AR1, Khalesi R2, Ahmadzadeh N1, Akbarian M1, Mahmoudi M1

Abstract: Aim: To investigate whether AFF1 polymorphism was associated with susceptibility and clinical features of SLE in Iranian patients. Methods: A total of 320 patients with SLE and 330 age, sex and ethnically matched healthy control subjects were enrolled in the present study. Both cases and healthy controls were genotyped for rs340630 polymorphism located inside the AFF1using Amplification Refractory Mutation System-PCR (ARMS-PCR). In order to investigate the association of this SNP with clinical features of SLE, clinical manifestations of the patients ... سال انتشار: 2016
 

Anxiety and depression in rheumatoid arthritis: an epidemiologic survey and investigation of clinical correlates in Iranian population

Authers: Ahmad‑Reza Jamshidi1 · Arash Tehrani Banihashemi1, 2 · Pedram Paragomi1 · Maryam Hasanzadeh1 · Mozhgan Barghamdi1 · Shima Ghoroghi1

Abstract: Psychiatric disorders occur in a considerable proportion of patients with rheumatoid arthritis (RA). This study was conducted in order to evaluate the prevalence of anxiety and depression in Iranian RA patients. In the cross sectional study, 414 RA patients were enrolled prospectively during a period of 6 months from RA clinic of Rheumatology Research Center. Beck’s and Cattell’s inventories were applied to investigate depression and anxiety in RA patients. RA activity was measured by Disease Activity Score and patients’ ... سال انتشار: 2016
 

Analysis of Killer Cell Immunoglobulin-like Receptor Genes and Their HLA Ligands in Iranian Patients with Ankylosing Spondylitis

Authers: Mahdi Mahmoudi1, Ahmad Reza Jamshidi1, Jafar Karami1, 2, Alireza Mohseni3, Ali Akbar Amirzargar2, 4, Elham Farhadi5, Nooshin Ahmadzadeh1, and Mohammad Hossein Nicknam2, 4

Abstract: Ankylosing Spondylitis (AS) is a chronic rheumatic disease which mainly involves the axial skeleton. It seems that non-HLA genes, as well as HLA-B27 gene, are linked to the etiology of the disease. Recently, it has been documented that KIRs and their HLA ligands are contributed to the Ankylosing Spondylitis. The aim of this study was to evaluate the KIR genes and their HLA ligands in Iranian AS patients and healthy ... سال انتشار: 2016
 

A Multidisciplinary Work-Related Low Back Pain Predictor Questionnaire: Psychometric Evaluation of Iranian Patient-Care Workers

Authers: Shojaei Sarallah1, Tavafian Sedigheh Sadat1, Ahmad Reza Jamshidi2, Wagner Joan3

Abstract: Study Design: Psychometric evaluation design. Purpose: Psychometric evaluation of a multidisciplinary work-related low back pain predictor questionnaire (MWRLBPPQ) of Iranians patient-care workers based on the social cognitive theory. Overview of Literature: Healthcare is one of the professions in which work-related musculoskeletal disorders are prevalent. The chronic low back pain experienced by patient caregivers can negatively impact their professional performance, and patient handling in a hospital is the main cause of low back ... سال انتشار: 2016
 

Prevalence of osteoarthritis in rural areas of Iran: a WHO-ILAR COPCORD study

Authers: Arash TEHRANI-BANIHASHEMI, 1, 2 Fereydoun DAVATCHI, 1 Ahmad-Reza JAMSHIDI, 1 Tahereh FAEZI, 1 Pedram PARAGOMI1 and Mozhgan BARGHAMDI

Abstract: Aim: To estimate the prevalence of osteoarthritis (OA) of different joints in rural areas of Iran. Methods: From five villages of Tuyserkan County, 1565 individuals were randomly selected and were interviewed to complete the Community Oriented Programme for Control of the Rheumatic Diseases (COPCORD) Core Questionnaire. Among these cases 1192 cases with rheumatic complaints were examined by a rheumatologist and laboratory and radiology tests were performed if necessary for the diagnosis. Definition of OA ... سال انتشار: 2014
 

Clinical and immunological pattern of systemic lupus erythematosus in men in a cohort of 2355 patients

Authers: Seyedeh Tahereh FAEZI, Mahdieh HOSSEINI ALMODARRESI, Mahmood AKBARIAN, Farhad GHARIBDOOST, Masoumeh AKHLAGHI, Ahamadreza JAMSHIDI, Farhad SHAHRAM, Abdolhadi NADJI, Nahid SHAFAIE, Maryam AKHLAGHKHAH, Pedram PARAGOMI and Fereydoun DAVATCHI

Abstract: Aim: To investigate the impact of gender on expression of systemic lupus erythematosus (SLE) in a cohort of 2355 SLE patients as one of the largest series of cases among the present reports. Method: In this retrospective study we used medical records of all patients (239 male and 2116 female) of the SLE registry of Rheumatology Research Center (RRC), Tehran University of Medical science (TUMS), Iran. Both clinical and paraclinical manifestations of SLE patients ... سال انتشار: 2014
 

Attenuation of fibrosis with selective inhibition of c-Abl by siRNA in systemic sclerosis dermal fibroblasts

Authers: Elham Karimizadeh • Nasrin Motamed • Mahdi Mahmoudi • Saeideh Jafarinejad-Farsangi • Ahmadreza Jamshidi • Habibeh Faridani • Farhad Gharibdoost

Abstract: Cellular abelson (c-Abl), a non-receptor tyrosine kinase, is an important molecule in the pathogenesis of systemic sclerosis. There have been reports of beneficial effects of pharmacological tyrosine kinase inhibitors, such as imatinib mesylate, on fibrosis. However, these inhibitors affect multiple tyrosine kinases including c-Abl, c-kit, and platelet-derived growth factor receptor. The effects of selective inhibition of c-Abl using small interfering RNA (siRNA) on dermal fibrosis have not yet been explored. The aim of this study is to evaluate whether ... سال انتشار: 2014
 

Are clinical measures influenced by various ethnic origins in Iranian patients with ankylosing spondylitis? A pilot study

Authers: Sasan Fallahi (MD) * 1, 2 Ahmad Reza Jamshidi (MD) 2 Mahdi Mahmoudi (MD) 2 Mostafa Qorbani (MD)

Abstract: Abstract Background: Ankylosing spondylitis (AS) may manifest with heterogeneous patterns according to ethnic origins. The purpose of this study was to describe the influence of various Iranian ethnic origins on clinical measures in patients with AS. Methods: 0ne hundred sixty-three AS patients diagnosed by modified New York 1984 criteria were enrolled consecutively. The patients were classified into Fars, Turk, Kord, Lor and other ethnic origins. Several clinical measures were described and compared ... سال انتشار: 2014
 

Anti-Cyclic Citrullinated Peptide Antibody and Rheumatoid Factor Isotypes in Iranian Patients with Rheumatoid Arthritis: Evaluation of Clinical Value and Association with Disease Activity

Authers: Yadollah Shakiba1, Susan Koopah1, Ahmad Reza Jamshidi2, Ali Akbar Amirzargar1, Ahmad Masoud1, Amir Kiani3, Mohammad Hossein Niknam1, Bahareh Nazari1, and Behrouz Nikbin1, 4

Abstract: In this study we determined the frequency, sensitivity and specificity of anti cyclic citrullinated peptides (anti-CCP) IgG antibody, total rheumatoid factor (RF-T), and RF isotypes in Iranian patients with rheumatoid arthritis (RA) and their association with age, clinical and serological parameters. Anti-CCP and RF-T and RF isotypes level were measured in 418 patients and 399 healthy controls by enzyme-linked immunosurbant assay (ELISA). Additionally, serum C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), ... سال انتشار: 2014
 

The Correlation between Pack-Years of Smoking and Disease Activity, Quality of Life, Spinal Mobility, and Sacroiliitis Grading in Patients with Ankylosing Spondylitis

Authers: Sasan FALLAHI, 1, 2 Ahmad Reza JAMSHIDI, 2 Farhad GHARIBDOOST, 2 Mahdi MAHMOUDI, 2 Nooshin AHMADZADEH, 2 Mohammad Hossein NICKNAM3

Abstract: This study aims to investigate the correlation between the pack-years of smoking and disease activity, quality of life, spinal mobility, and sacroiliitis grading and ankylosing spondylitis (AS) in Iranian patients with AS. Patients and methods: A total of 160 AS patients were evaluated according to their smoking status and pack-years of smoking. The outcome measures were disease activity, quality of life, spinal mobility, and sacroiliitis grading, and these were assessed by the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), ... سال انتشار: 2013
 

Association of STAT4 rs7574865 with Susceptibility to Systemic Lupus Erythematosus in Iranian Population

Authers: Sedigheh Mirkazemi, 1 Mahmoud Akbarian, 2 Ahmad Reza Jamshidi, 2 Reza Mansouri, 3 Shima Ghoroghi, 2 Yahya Salimi, 4 Zahra Tahmasebi, 2 and Mahdi Mahmoudi2, 5

Abstract: Systemic lupus erythematosus (SLE) is a multifactorial autoimmune disease with complex genetic inheritance that affecting different organs and systems. STAT4 has been newly identified as a susceptible gene in the development of SLE. According to recent studies, STAT4 has been associated with SLE in various populations. We investigated whether STAT4 single nucleotide polymorphisms (SNPs) were associated with susceptibility and clinical features of SLE in Iranian patients. The study group comprised 280 patients with SLE and ... سال انتشار: 2013
 

Presentation of psoriatic arthritis in the literature: a twenty-year bibliometric evaluation

Authers: Ahmad-Reza Jamshidi • Farhad Gharibdoost • Abdolhadi Nadji • Mohammadali Nikou • Gholamreza Habibi • Amirhossein Mardani • Marjan Ghaemi

Abstract: Psoriatic arthritis is an inflammatory arthritis disabling patients with psoriasis. Bibliometric studies are tools for evaluating scientific productions in different countries, universities as well as publications related to a special topic. We aimed to perform a scientometric study to evaluate articles published under ‘‘Psoriatic arthritis’’ topic and also attempted to compare publications of different authors, countries, universities, and journals related to this topic. Study was performed on all articles published between 1989 and 2009. The ISI web of science ... سال انتشار: 2013
 

Interleukin-1 gene cluster and IL-1 receptor polymorphisms in Iranian patients with systemic lupus erythematosus

Authers: Zahra Tahmasebi • Mahmoud Akbarian • Sedigheh Mirkazemi • Abtin Shahlaee • Zahra Alizadeh • Ali Akbar Amirzargar • Ahmad Reza Jamshidi • Shima Ghoroghi • Shiva Poursani • Keramat Nourijelyani • Mahdi Mahmoudi

Abstract: Systemic lupus erythematosus (SLE) is a systemic autoimmune disease of unknown etiology with a complex pathogenesis involving multiple genetic and environmental contributions. Single-nucleotide polymorphisms (SNPs) in cytokine genes are associated with higher or lower cytokine activity, which can alter the susceptibility to certain diseases or their clinical outcomes. We investigated SNPs of the IL-1 family in Iranian SLE patients and normal individuals. We obtained blood samples from 207 SLE patients and 213 healthy controls. Cytokine genotyping was performed by polymerase ... سال انتشار: 2013
 

The International Criteria for Behcet’s Disease (ICBD): a collaborative study of 27 countries on the sensitivity and specificity of the new criteria

Authers: F. Davatchi, 1, *, † S. Assaad-Khalil, 2, † K.T. Calamia, 3, † J.E. Crook, 4, † B. Sadeghi-Abdollahi, 1, † M. Schirmer, 5, † T. Tzellos, 6, † C.C. Zouboulis, 6, 7, 8, *, † M. Akhlagi, 1 A. Al-Dalaan, 9 Z.S. Alekberova, 10 A.A. Ali, ،A.R. Jamshidi،A. Nadji،F. Shahram،H. Shams،N. Ziaei1

Abstract: Behcet’s disease (BD) is a chronic, relapsing, inflammatory vascular disease with no pathognomonic test. Low sensitivity of the currently applied International Study Group (ISG) clinical diagnostic criteria led to their reassessment. Methods An International Team for the Revision of the International Criteria for BD (from 27 countries) submitted data from 2556 clinically diagnosed BD patients and 1163 controls with BD-mimicking diseases or presenting at least one major BD sign. These were randomly divided into ... سال انتشار: 2013
 

Effect of All-transretinoic Acid on Th17 and T Regulatory Cell Subsets in Patients with Ankylosing Spondylitis

Authers: KATAYOON BIDAD, EISA SALEHI, AHMADREZA JAMSHIDI, ALI AKBAR SABOOR-YARAGHI, MONA ORAEI, ALIPASHA MEYSAMIE, MAHDI MAHMOUDI, and MOHAMMAD HOSSEIN NICKNAM

Abstract: We compared Th17 and T regulatory cells in patients with ankylosing spondylitis (AS) and in healthy controls. The effect of all-transretinoic acid (ATRA) was studied on cultured CD4+ T cells of patients with AS compared to controls. Methods. Eighteen patients with AS and 18 age- and sex-matched healthy controls were included. CD4+ T cells were separated and cultured in conditions of anti-CD3 and anti-CD28 stimulation with and without ATRA. Intracellular and secreted cytokines, transcription factors, ... سال انتشار: 2013
 

Scientometric analysis and mapping of scientific articles on Behcet’s disease

Authers: Farhad SHAHRAM, 1 Ahmad-Reza JAMSHIDI, 1 Armin HIRBOD-MOBARAKEH, 2, 3 Gholamreza HABIBI, 4 Amir MARDANI4 and Marjan GHAEMI4

Abstract: Behcet’s disease (BD) is a systemic vasculitis disease with oral and genital aphthous ulceration, uveitis, skin manifestations, arthritis and neurological involvement. Many investigators have published articles on BD in the last two decades since introduction of diagnosis criteria by the International Study Group for Behcet’s Disease in 1990. However, there is no scientometric analysis available for this increasing amount of literature. Methods: A scientometric analysis method was used to achieve a view of scientific articles ... سال انتشار: 2013
 

Presentation of psoriatic arthritis in the literature: a twenty-year bibliometric evaluation

Authers: Ahmad-Reza Jamshidi • Farhad Gharibdoost • Abdolhadi Nadji • Mohammadali Nikou • Gholamreza Habibi • Amirhossein Mardani • Marjan Ghaemi

Abstract: Psoriatic arthritis is an inflammatory arthritis disabling patients with psoriasis. Bibliometric studies are tools for evaluating scientific productions in different countries, universities as well as publications related to a special topic. We aimed to perform a scientometric study to evaluate articles published under ‘‘Psoriatic arthritis’’ topic and also attempted to compare publications of different authors, countries, universities, and journals related to this topic. Study was performed on all articles published between 1989 and 2009. The ISI web of science ... سال انتشار: 2012
 

Multiple Imputation to Deal with Missing Clinical Data in Rheumatologic Surveys: an Application in the WHO-ILAR COPCORD Study in Iran

Authers: M Mirmohammadkhani1, A Rahimi Foroushani1, F Davatchi2, 3, K Mohammad1, A Jamshidi2, 3, A Tehrani Banihashemi1, 3, *K Holakouie Naieni 1,

Abstract: The aim of the article is demonstrating an application of multiple imputation (MI) for handling missing clinical data in the setting of rheumatologic surveys using data derived from 10291 people participating in the first phase of the Community Oriented Program for Control of Rheumatic Disorders (COPCORD) in Iran. Methods: Five data subsets were produced from the original data set. Certain demographics were selected as complete variables. In each subset, we created a univariate pattern ... سال انتشار: 2012