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Sökning: WFRF:(Skopouli F. N.)

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1.
  • Khan, N. A., et al. (författare)
  • Patient's global assessment of disease activity and patient's assessment of general health for rheumatoid arthritis activity assessment : Are they equivalent?
  • 2012
  • Ingår i: Annals of the Rheumatic Diseases. - : BMJ. - 0003-4967 .- 1468-2060. ; 71:12, s. 1942-1949
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: To assess (A) determinants of patient's global assessment of disease activity (PTGL) and patient's assessment of general health (GH) scores of rheumatoid arthritis (RA) patients; (B) whether they are equivalent as individual variables; and (C) whether they may be used interchangeably in calculating common RA activity assessment composite indices. Methods: Data of 7023 patients from 30 countries in the Quantitative Standard Monitoring of Patients with RA (QUEST-RA) was analysed. PTGL and GH determinants were assessed by mixed-effects analyses of covariance models. PTGL and GH equivalence was determined by Bland-Altman 95% limits of agreement (BALOA) and Lin's coefficient of concordance (LCC). Concordance between PTGL and GH based Disease Activity Score 28(DAS28), Clinical Disease Activity Index (CDAI) and Routine Assessment of Patient Index Data 3 (RAPID3) indices were calculated using LCC, and the level of agreement in classifying RA activity in four states (remission, low, moderate, high) using κ statistics. Results: Significant differences in relative and absolute contribution of RA and non-RA related variables in PTGL and GH ratings were noted. LCC of 0.64 and BALOA of -4.41 to 4.54 showed that PTGL and GH are not equivalent. There was excellent concordance (LCC 0.95-0.99) for PTGL and GH based DAS28, CDAI and RAPID3 indices, and >80% absolute agreement (κ statistics 0.75-0.84) in RA activity state classification for all three indices. Conclusions: PTGL and GH ratings differ in their determinants. Although they are individually not equivalent, they may be used interchangeably for calculating composite indices for RA activity assessment.
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2.
  • Naranjo, A., et al. (författare)
  • Smokers and non-smokers with rheumatoid arthritis have similar clinical status : data from the multinational QUEST-RA database
  • 2010
  • Ingår i: Clinical and Experimental Rheumatology. - 0392-856X .- 1593-098X. ; 28:6, s. 820-827
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives To analyse clinical severity/activity of rheumatoid arthritis (RA) according to smoking status. Methods The QUEST-RA multinational database reviews patients for Core Data Set measures including 28 swollen and tender joint count, physician global estimate, erythrocyte sedimentation rate (ESR), HAQ-function, pain, and patient global estimate, as well as DAS28, rheumatoid factor (RE), nodules, erosions and number of DMARDs were recorded. Smoking status was assessed by self-report as "never smoked", "currently smoking" and "former smokers". Patient groups with different smoking status were compared for demographic and RA measures. Results Among the 7,307 patients with smoking data available, status as "never smoked," "current smoker" and "former smoker" were reported by 65%, 15% and 20%. Ever smokers were more likely to be RF-positive (OR 1.32; 1.17-1.48, p<0.001). Rheumatoid nodules were more frequent in ever smokers (OR 1.41; 1.24-1.59, p<0.001). The percentage of patients with erosive arthritis and extra-articular disease was similar in all smoking categories. Mean DAS28 was 4.4 (SD 1.6) in non-smokers vs. 4.0 (SD 1.6) in those who had ever smoked. However, when adjusted by age, sex, disease duration, and country gross domestic product, only ESR remained significantly different among Core Data Set measures (mean 31.7mm in non-smokers vs. 26.8mm in ever smoked category). Conclusion RA patients who had ever smoked were more likely to have RF and nodules, hut values for other clinical status measures were similar in all smoking categories (never smoked, current smokers and former smokers).
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