Differentiating Primary Tumors for Brain Metastasis with Integrated Radiomics from Multiple Imaging Modalities

Table 1

Demographic and clinical characteristic of the training and testing datasets according to individual tumors.

Characteristics	Training dataset ()		Testing dataset ()		value
Primary site	Lung ()	Breast ()	Lung ()	Breast ()
Gender, no (%)					0.77
Male	46 (71.9%)	2 (3.3%)	22 (71.0%)	0 (0.0%)
Female	18 (28.1%)	59 (96.7%)	9 (29.0%)	23 (100.0%)
Age, (years)					0.63
Median age (years)	62.5 (46-79)	46.0 (33-77)	62.0 (46-78)	49.0 (33-74)