Objectives: This study aims to estimate the prevalence of rheumatoid arthritis (RA) and spondyloarthritis (SpA) in Turkey using the same telephone questionnaire developed for screening RA and SpA in France and used in Serbia and Lithuania. Material and methods: The study was performed in two steps. In step I, the French questionnaire was translated into Turkish and validated through a group of 200 patients (80 males, 120 females; mean age 44.0±13.1 years; range 19 to 75 years) followed up at the rheumatology departments of University Hospitals in Antalya and Ankara. In step II, the validated Turkish questionnaire was administered face-to-face to randomly selected 4,012 subjects (1,670 males, 2,342 females; mean age 41.5±16.8 years; range 16 to 97 years) by trained general practitioners across the country, in 25 prov- inces for case detection. The subjects who were suspected of having RA or SpA in accordance with the questionnaire were invited to the nearest university hospital for rheumatologic examination in order to confirm the diagnosis. Results: In step II, a total of 25 subjects (2 males, 23 females) were diagnosed as RA. The standardized RA prevalence for the general population of Turkey was calculated as 0.56% (95% confidence interval [CI]; 0.33-0.79), 0.10% (95% CI; -0.05-0.25) for males and 0.89% (95% CI; 0.51-1.27) for females. A total of 18 subjects (3 males, 15 females) were diagnosed as SpA. The standardized SpA prevalence for the general population of Turkey was 0.46% (95% CI; 0.25-0.67), 0.17% (95% CI; -0.03-0.37) for males and 0.65% (95% CI; 0.32-0.98) for females. The prevalence of RA was highest in the Northern region (2.00%) and the prevalence of SpA was highest in the Central region (1.49%). Conclusion: The prevalences of RA and SpA in Turkey are close to each other and there are significant inter-regional variations in prevalences of both RA and SpA.

Tiraje Tuncer

E Gilgil

C Kaçar

Y Kurtaiş

Ş Kutlay

B Bütün

P Yalçin

Ü Akarirmak

L Altan

F Ardiç

Ö Ardiçoğlu

Z Altay

F Cantürk

L Cerrahoğlu

R Çevik

H Demir

B Durmaz

N Dursun

T Duruöz

C Erdoğan

D Evcik

S Gürsoy

S Hizmetli

E Kaptanoğlu

Ö Kayhan

M Kirnap

S Kokino

E Kozanoğlu

B Kuran

K Nas

S Öncel

D Sindel

S Orkun

T Sarpel

S Savaş

Öf Şendur

K Şenel

H Uğurlu

K Uzunca

İ Tekeoğlu

F Guillemin

Archives of Rheumatology

THE ARCHIVES OF RHEUMATOLOGY 是土耳其抗风湿病联盟 (TLAR) 的官方期刊，每季出版一期，分别为 3 月、6 月、9 月和 12 月。它发表有关风湿病学和肌肉骨骼系统疾病各个方面的原创作品。风湿病学档案的首要任务是发表高质量的原创研究文章，尤其是在炎症性风湿病方面。除了研究文章，还可以发表简要报告、评论、社论、致编辑的信。它是一份独立的同行评审国际期刊，以英文印刷。稿件由审稿人和作者的“双盲同行评审”程序审阅。风湿病学档案编辑委员会根据世界医学编辑协会 (WAME)、国际医学期刊编辑委员会 ( ICMJE) 和出版道德委员会 (COPE)。

The Archives of Rheumatology is the official journal of the Turkish League Against Rheumatism (TLAR), published quarterly in March, June, September, and December. The journal primarily focuses on original research related to all aspects of rheumatology and musculoskeletal diseases. Its main objective is to publish high-quality original research articles, particularly in the area of inflammatory rheumatic diseases. In addition to research articles, the journal also welcomes brief reports, reviews, editorials, and letters to the editor. It is an independent, peer-reviewed international journal published in English. All submissions undergo a double-blind peer review process involving both reviewers and authors. The editorial board adheres to the guidelines set forth by the World Association of Medical Editors (WAME), the International Committee of Medical Journal Editors (ICMJE), and the Committee on Publication Ethics (COPE).

《Archives of Rheumatology》是土耳其抗风湿病联盟（TLAR）的官方期刊，每季度出版一期，分别在3月、6月、9月和12月发行。期刊主要发表关于风湿病学和肌肉骨骼系统疾病各个方面的原创研究。其首要任务是发布高质量的原创研究文章，尤其是涉及炎症性风湿病的研究。此外，期刊还接受简要报告、评论、社论和致编辑的信件。该期刊是一份独立的国际同行评审期刊，采用英文出版。所有稿件均经过审稿人和作者的双盲同行评审程序。编辑委员会遵循世界医学编辑协会（WAME）、国际医学期刊编辑委员会（ICMJE）和出版道德委员会（COPE）的指导原则。

Prevalence of Rheumatoid Arthritis and Spondyloarthritis in Turkey: A Nationwide Study

The prevalences of rheumatoid arthritis (RA) and SpA in Turkey are close to each other and there are significant inter-regional variations in prevalence, with the prevalence of RA highest in the Northern region and lowest in the Central region.

土耳其类风湿性关节炎和脊柱关节病的患病率：一项全国性研究

Category	Quartile
医学	4
医学, 风湿病学	4

Prevalence of Rheumatoid Arthritis and Spondyloarthritis in Turkey: A Nationwide Study

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