Usefulness of patients-reported outcomes in rheumatoid arthritis focus group

Jenny Amaya-Amaya, Diana Botello-Corzo, Omar Javier Calixto, Rolando Calderón-Rojas, Aura-Maria Domínguez, Paola Cruz-Tapias, Gladis Montoya-Ortiz, Ruben-Dario Mantilla, Juan-Manuel Anaya, Adriana Rojas-Villarraga

Research output: Contribution to journalArticlepeer-review

Abstract

Objective. Patient-reported outcomes (PROs) have become an essential part of the assessment of patients with rheumatoid arthritis (RA). We aimed to evaluate the agreement and correlation between PROs and the physician's measurements. Methods. This was a cross-sectional analytical study in which 135 patients with RA were clinically evaluated during two different sessions of focus group interviews. Rheumatologist recorded 28 swollen (SJCs) and tender joint counts (TJCs). The patients filled out the PROs instruments (MDHAQ, RADAI, RAPID3, 4, and 5 and self-report articular index (SAI) diagram for pain and joint swelling). DAS28 was calculated (C-reactive protein). An adjusted multiple lineal regression model was done (DAS28 as dependent variable). Results. Highly significant agreements were found between SJC and TJC registered by the physician and patient. There was moderate correlation between DAS28 with patient SJC (r = 0.52), patient TJC (r = 0.55), RADAI (r = 0.56), RAPID3 (r = 0.52), RAPID4 (r = 0.56), RAPID5 (r = 0.66), and VAS-Global (r = 0.51). Likewise, we found moderate to high correlations between CDAI and SDAI with all variable measurements done by the patients. The resulting predictive equation was DAS28(CRP) = 2.02 + 0.037 × RAPID4 + 0.042× patient SJC. Conclusion. PROs applied in focus groups interview are a useful tool for managing patients with RA regardless of gender, educational level, and duration of disease.

Original languageEnglish (US)
Number of pages13
JournalArthritis
Volume2012
DOIs
StatePublished - 2012

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