TABLE 2.

Mean Euclidean distance error of the right and left costophrenic and cardiophrenic angles measured by the previous method.

Case	Mean $d_{B_{1,k}\_error}$	Mean $d_{C_{1,k}\_error}$	Mean $d_{B_{2,k}\_error}$	Mean $d_{C_{2,k}\_error}$	Mean error
1 (30 images)	1.071 ± 1.748 (0.000–5.099)	5.171 ± 2.644 (0.000–9.220)	3.634 ± 1.937 (1.000–8.246)	3.338 ± 2.362 (0.000–10.000)	3.304
2 (30 images)	3.335 ± 1.417 (1.000–6.000)	4.004 ± 2.464 (1.414–11.660)	2.867 ± 2.270 (0.000–8.000)	5.074 ± 2.631 (1.414–14.560)	3.820
3 (30 images)	2.092 ± 2.031 (0.000–10.000)	2.126 ± 1.332 (0.000–5.000)	1.712 ± 1.801 (0.000–6.000)	65.753 ± 26.420 (2.236–84.853) a	17.921 a
4 (30 images)	2.257 ± 1.723 (0.000–6.403)	2.375 ± 1.627 (0.000–6.083)	1.866 ± 1.253 (0.000–5.000)	75.460 ± 32.631 (1.000–101.820) a	20.490 a
5 (30 images)	2.560 ± 1.951 (0.000–8.544)	4.913 ± 2.280 (1.000–8.602)	3.011 ± 1.683 (0.000–7.616)	3.308 ± 3.205 (0.000–17.090)	3.448

^a The bold number indicates the outliers of the mean Euclidean distance error.