Table 2.

Details of WSIs

		AJMC	HUMC	CNUH	INHA
Number of patients		197	145	397	129
Number of WSIs		197	145	397	129
Scanning magnification	×20	197	126	69	129
	×40	0	19	328	0
Microns per pixel		0.5025 ± 0.0003	0.4695 ± 0.0847	0.2479 ± 0.0027	0.5000 ± 0.0
Width		52,138 ± 7,377	58,413 ± 23,900	82,714 ± 7,562	46,961 ± 8,096
Height		40,922 ± 6,179	42,932 ± 16,835	114,027 ± 19,933	56,232 ± 10,464
Machine	Aperio	197	145	397	129
Number of patches (1,024 × 1,024 pixel, ×20 magnification)	Tumor	140,857	77,805	213,844	79,628
	Non‐tumor	39,981	25,176	140,585	50,438

This table describes the details of the whole slide images (WSIs).