Table 1.

Overview of Study Mice and Scan Segmentations Used for Training and Radiomics

Mice			Scans for Segmentation
TotalMice	Mice with 2 scans	Mice forradiomicsa	MRSets	Manual Segmentations	Unique ManuallySegmented Scansb	Overlap withradiomics scans	K-FoldsValidation Size	K-FoldsTest Size
79	62	42	141	70	49	39	6	12

^aThese mice were not excluded for surgical complications or other health reasons.

^b21 of these scans were segmented twice, once by each reader for a total of 70 segmentations.