Concordance and correlation of activity indices in patients with rheumatoid arthritis in northwestern Colombia: A cross-sectional study.

Aim: To determine the correlation and concordance between different clinimetric scores in patients with rheumatoid arthritis in two high-complexity reference centers in northwestern Colombia.

Method: A cross-sectional study in adults diagnosed with rheumatoid arthritis was conducted according to the 2010 American College of Rheumatology and European League Against Rheumatism Classification Criteria, between January and June, 2013. The correlation was evaluated using Spearman's correlation coefficient, and concordance with quadratic weighted kappa with the respective confidence intervals, for which patients were classified into different categories of disease activity.

Clinical outcomes of kidney transplants on patients with end-stage renal disease secondary to lupus nephritis, polycystic kidney disease and diabetic nephropathy.

Background: Patients with lupus nephritis could progress to end-stage renal disease (10-22%); hence, kidney transplants should be considered as the treatment of choice for these patients.

Objective: To evaluate the clinical outcomes after kidney transplants in patients with chronic kidney diseases secondary to lupus nephritis, polycystic kidney disease and diabetes nephropathy at Pablo Tobon Uribe Hospital.

Methods: A descriptive and retrospective study performed at one kidney transplant center between 2005 and 2013.