Construction of a convolutional neural network classifier developed by computed tomography images for pancreatic cancer diagnosis

Table 1 Statistics of our datasets

	CT phase		Number of patients					Number of images
		Without cancer cancer	With cancer			Total	Without cancer	With cancer			Total
			At tail1	At head	Total			At tail	At head	Total
Sets	Plain Scan	182	91	123	214	396	1182	416	496	912	2094
	Arterial phase	179	91	129	220	399	1282	575	735	1310	2592
	Venous phase	178	93	129	222	400	1287	573	699	1272	2559
Total		539	275	381	656	1195	3751	1564	1930	3494	7245

¹“At tail” means at tail or body of pancreas, while “At head” means at head or neck of pancreas. CT: Computed tomography.