Figure 2From: Daily physical activity in ankylosing spondylitis: validity and reliability of the IPAQ and SQUASH and the relation with clinical assessmentsBland-Altman plots. Difference between the total scores on the first and second (A) International Physical Activity Questionnaire (IPAQ) and (B) Short QUestionnaire to Assess Health-enhancing physical activity (SQUASH) plotted against the mean of both assessments, together with 95% limits of agreement (LOA). CI, confidence interval.Back to article page