Fig. 2From: Pretreatment chest x-ray severity and its relation to bacterial burden in smear positive pulmonary tuberculosisBland–Altman plot demonstrating the level of agreement between readers 1 and 2 in scoring the 1713 images for radiological severity (x axis: the mean average numerical score between readers 1 and 2, y axis: the difference in scores for each image between readers 1 and 2). Horizontal lines show the mean ± 1.96 standard deviations; 3.34 (23.11−16.44) (SD = 10.10)Back to article page