Figure 2From: Reliability and validity of the Physical Activity Scale for the Elderly (PASE) in patients with hip osteoarthritis Bland-Altman plot for total PASE score. Intra-individual differences (n = 33) plotted against the difference between test and retest scores for the total PASE score. The central horizontal line represents the mean difference, while the flanking lines represent the 95% limits of agreement. The dotted line represents no difference between test and retest.Back to article page