Fig. 2From: Evaluating the validity of the Amharic Brief Pain Inventory among people with chronic primary musculoskeletal pain in EthiopiaBland-Altman plot for Amharic BPI pain severity scale. The Bland-Altman plot for the test-retest reliability of the Amharic BPI pain interference scale. The difference of Test 1 and Test 2 is plotted against their mean, together with the mean of the difference, 95% Confidence interval (CI), and upper and lower limit of agreement (LOI)Back to article page