Table 1.

Classifications of the CAD software for the Japanese and European databases

Grade	1	2	3	4	Total
Japanese database CAD
Bone metastases	4	0	3	35	42
No bone metastases	163	11	7	34	215
European database CAD
Bone metastases	3	4	2	33	42
No bone metastases	67	55	30	63	215

n numbers