Table 2.

Statistical testing results of the hold-out set with an additional four kidney samples using attenuation coefficient

(A)
Tissue		Testing of the hold-out set using attenuation coefficient
		Cortex	Medulla	Calyx	Fat	Carcinoma
True	Cortex	7418	306	2170	0	106
	Medulla	6	9225	756	13	0
	Calyx	2452	2612	1228	604	3104
	Fat	1007	1418	775	6679	121
	Carcinoma	7	4	2	13	9974

(B)
Tissue	Accuracy	Precision	Recall	F1 score
Cortex	87.89%	68.12%	74.18%	71.02%
Medulla	89.77%	68.01%	92.25%	78.29%
Calyx	75.05%	24.90%	12.28%	16.45%
Fat	92.10%	91.38%	66.79%	77.17%
Carcinoma	93.29%	74.96%	99.74%	85.60%

A: confusion matrix. B: performance metrics.