Table 1 Training, validation and test cohorts for SOM and LVQ analyses.

From: Identification of sarcomatoid differentiation in renal cell carcinoma by machine learning on multiparametric MRI

Cohort

Tumor class non-sarcomatoid

Tumor volume, cm3

Tumor class sarcomatoid

Tumor volume, cm3

SOM Phase

LVQ Phase

Training

Training

Clear cell RCC

15.4

Clear cell RCC

13.7

Clear cell RCC

55.6

Clear cell RCC

106.6

Clear cell RCC

196.6

Clear cell RCC

187.9

Clear cell RCC

306.4

Clear cell RCC

305.9

Clear cell RCC

501.8

Chromophobe RCC

459.7

Clear cell RCC

610.8

Clear cell RCC

611.0

Clear cell RCC

1135.0

Clear cell RCC

731.1

Clear cell RCC

1425.0

Clear cell RCC

953.5

Not used

Validation

Clear cell RCC

410.3

Clear cell RCC

442.9

Clear cell RCC

683.8

Clear cell RCC

866.4

Clear cell RCC

1184.7

Papillary RCC

1440.7

Not used

Testing

Clear cell RCC

175.2

Clear cell RCC

182.0

Clear cell RCC

263.3

Clear cell RCC

269.3

Clear cell RCC

380.6

Clear cell RCC

372.6

Clear cell RCC

509.0

Chromophobe RCC

490.9

Clear cell RCC

1258.8

Clear cell RCC

1291.1