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Table 1 Coefficients of the DAS28-ESR versus the coefficients of the discriminant score obtained in the study

From: Response to the commentary 'Pooled indices to measure rheumatoid arthritis activity: a good reflection of the physician's mind'

Parameter DAS score Discriminant score
Sqrt(28 TJC) 0.56 0.52
Sqrt(28 SJC) 0.28 0.28
Ln(ESR) 0.70 0.56
Patient's global VAS 0.014 0.025
  1. DAS28, Disease Activity Score; ESR, erythrocyte sedimentation rate; Ln, natural logarithm; SJC, swollen joint count; Sqrt, square root; TJC, total joint count; VAS, visual-analogue scale.