Skip to main content
Fig. 2 | BMC Pulmonary Medicine

Fig. 2

From: Development and validation of a nomogram to predict pulmonary function and the presence of chronic obstructive pulmonary disease in a Korean population

Fig. 2

Plot of differences between predicted and actual FEV1/FVC ratio versus the mean of the predicted and actual ratios in the test set. The black line represents the mean of the differences, showing the presence of bias, about − 4.7, in the predicted FEV1/FVC ratio. The two dotted lines represent the limits of agreement, ± 1.96σ

Back to article page

BMC Pulmonary Medicine

ISSN: 1471-2466

Contact us