Figure 2From: Discriminant validity, responsiveness and reliability of the rheumatoid arthritis-specific Work Productivity Survey (WPS-RA)Standardized response mean (SRM) of changes from baseline in Work Productivity Survey – Rheumatoid Arthritis by American College of Rheumatology 20% improvement criteria (ACR20) clinical response at week 24. SRM is small below the dashed line (0.5), moderate between the two lines, and large above the solid line (0.8).Back to article page