Table 1. Data distribution of the divided 5 folds.

Characteristics	Fold 1	Fold 2	Fold 3	Fold 4	Fold 5
Diameter (mm)	15.47±8.78	14.62±8.56	15.22±9.38	15.06±8.95	14.46±8.34
Calcification	5.66±0.97	5.64±0.98	5.63±0.98	5.67±0.98	5.71±0.88
Internal structure	1.01±0.17	1.01±0.16	1.00±0.12	1.02±0.29	0.01±0.18
Lobulation	1.66±0.96	1.60±0.85	1.60±0.91	1.70±0.99	1.60±0.99
Margin	4.02±1.06	3.94±1.13	4.00±1.20	4.03±1.08	4.10±1.10
Sphericity	3.67±0.94	3.67±0.95	3.76±0.88	3.71±0.98	3.64±0.97
Spiculation	1.67±1.11	1.47±0.85	1.42±0.87	1.60±1.01	1.47±0.91
Subtlety	3.80±1.13	3.75±1.08	3.75±1.19	3.73±1.16	3.77±1.16
Texture	4.49±1.10	4.49±1.09	4.45±1.16	4.52±1.06	4.53±1.05
Malignancy	2.83±1.14	2.71±1.16	2.80±1.17	2.96±1.19	2.77±1.15