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. RESULTS: One hundred patients were included, of whom 83% were women; 58 and 75% received methotrexate and glucocorticoids, respectively. Most individuals were in remission or low activity. High correlations between Disease Activity Score of 28 joints - erythrocyte sedimentation rate (DAS28-ESR) values with DAS28 C-reactive protein and Simple Disease Activity Index (SDAI) with Clinical Disease Activity Index (P < 0.0001; r = 0.82 and r = 0.86, respectively) were observed; likewise, the scores obtained with different indices correlated well with gold standard values for remission (SDAI), where the correlation with DAS28-ESR was slightly lower. Excellent concordance among all clinimetric scores was observed, although it was lower among DAS28-ESR and SDAI. CONCLUSION: Clinimetric indices had high concordance and correlation, especially for rheumatoid arthritis patients in remission or low disease activity, without being interchangeable among them.

Alta tasa de afectación cardiaca en pacientes colombianos con enfermedad de Kawasaki / High rate of cardiac involvement in Colombian patients with Kawasaki Disease

La enfermedad de Kawasaki es una vasculitis sistémica, cuya principal complicación es la afectación de las arterias coronarias. El propósito de este estudio retrospectivo fue el de evaluar en 48 pacientes colombianos la tasa y los factores asociados a la afección cardiaca. El tiempo promedio desde el primer síntoma hasta el diagnóstico fue de 10,5 días. Las alteraciones cardiacas fueron registradas en 13 (27%) pacientes: 10 con afección coronaria y 3 con otro tipo de manifestaciones cardiacas. Cuarenta y un pacientes (85,4%) recibieron inmunoglobulina. La edad del paciente (OR: 0,91, IC 95%: 0,85-0,98, p = 0,01) y el tiempo trascurrido hasta el diagnóstico (OR: 1,21, IC 95%: 1,05-1,41, p = 0,01) fueron factores respectivamente influyentes en alteraciones cardiacas y coronarias. La alta tasa de manifestaciones cardiacas es similar a la reportada en otras poblaciones latinoamericanas.

Kawasaki disease (KD) is a systemic vasculitis, whose main complication is the coronary arteries involvement. This was a retrospective study in which 48 Colombian KD patients were included, and the rate and associated factors to cardiac involvement were investigated. The mean time from the first symptom until the diagnosis was 10.5 days. Cardiac involvement was registered in 13 (27%) patients, of whom 10 presented with coronary disease and 3 with a different cardiac manifestations. Forty-one patients (85.4%) received IV immunoglobulin. By multivariate analysis, the patient's age (OR: 0.91, 95% CI: 0.85-0.98, p = 0.01) and the lapse of time between onset of symptoms and diagnosis (OR: 1.21, 95% CI: 1.05-1.41, p = 0.01) were associated factors influencing cardiac involvement and coronary disease, respectively. The high rate of cardiac compromise in Colombian patients agrees with that observed in other Latin American populations.