Fig. 4

Bland–Altman plots of intra-observer and inter-observer agreement of thoracic measurements. a, b Thoracic transverse diameter; c, d Thoracic anteroposterior diameter; e, f Thoracic circumference; g, h Thoracic area; i, j Lung volume; k, l Thoracic volume. The blue solid curve represents the mean difference, while the red dashed curves show the 95% LoA