Figure 1From: DAS28 best reflects the physician's clinical judgment of response to infliximab therapy in rheumatoid arthritis patients: validation of the DAS28 score in patients under infliximab treatmentPlot of the mean scores over time. Act, activity; ESR, erythrocyte sedimentation rate; HAQ, Health Assessment Questionnaire; SJC, swollen joint count; TJC, tender joint count; pt, patient; Phys, physician; SQRT, variable normalized by taking the squared root; ln, variable normalized by taking the natural logarithm; VAS, visual analogue scale.Back to article page