Introduction: Systemic lupus erythematosus (SLE) is a disease distributed worldwide, which
occurs in both genders, and across racial/ethnic and age groups; however, higher rates are …

Background: Chronic low back pain is considered as a high-impact condition that affects the
working population of Latin America, with long reaching social and economic repercussions …

Rheumatoid arthritis (RA) is among the most prevalent chronic autoimmune and
inflammatory diseases worldwide. The aim of this study was to establish a pooled estimate …

Objectives Studies regarding the epidemiology of systemic lupus erythematosus (SLE) are
lacking in Argentina. Our purpose was to estimate the incidence and prevalence of SLE in a …

Background Guatemala is a multiethnic, multilingual, and multicultural country. We have
evaluated 2 different ethnic groups from (1) San Juan Sacatepéquez County (SJSC), a rural …

La artritis reumatoide (AR) es una enfermedad inflamatoria sistémica de curso crónico, de
causa multifactorial y origen autoinmune, cuya mayor caracterización es dolor y daño …

Background With the increases in and aging of the populations of the Americas, monitoring
the number of rheumatologists is critical to address and focus on areas of greatest need …

In Brazil, epidemiological data on autoimmune diseases are scarce due to the lack of a
specific policy of attention to this group of diseases. This study aimed to estimate the general …

Objective The aim of this study was to determine the prevalence of disability in patients with
musculoskeletal pain and rheumatic diseases in Cuenca, Ecuador. Methods We performed …

Simple Summary The focus of the genetic studies on rheumatoid arthritis has been on
Europeans or European-derived populations, with limited information available on other …