Table 1.

Variable numerical aggregations.

Variable	Standard grouping	Grouping paper	Applicable and clusterisable in dataset
Age	≤50, >50	Disaggregated	Hospital and TCGA
Nodal state (lymph nodes affected)	0, 1, 2-3, 4-9, +9	0, 1, 2-3, 4-9, +9	Hospital and TCGA
Tumor stage (tumor size in mm)	0, 0-20, 20-50, >50	<10, 10-20, 20-30, >30	Hospital
Ki67 concentration	≤14, >14	<10, 10-20, >20	Hospital
Lymph nodes removed	—	—	Hospital