Table 1.

The mean and 95% CI of CT density in subtypes of RCCs

	Clear cell RCC		Chromophobe RCC		Papillary RCC		Mixed RCC		Sarcomatoid RCC
	Mean	95% CI	Mean	95% CI	Mean	95% CI	Mean	95% CI	Mean	95% CI
unenhanced	31,43 ± 1,50	28,41-34,45	38,25 ± 5,35	25,60-50,90	31,70 ± 3,81	23,08-40,32	33,78 ± 3,42	25,90-41,65	29,50 ± 1,50	10,44-48,56
corticomedullary	118,24 ± 5,83	106,47-130,01	117,38 ± 18,21	74,33-160,42	58,20 ± 5,21	46,41-69,99	106,33 ± 12,49	77,52-135,15	79,00 ± 1,00	66,29-91,71
nephrographic	92,83 ± 2,78	87,23-98,44	88,13 ± 12,54	58,47-117,78	55,10 ± 6,24	40,99-69,21	82,56 ± 5,38	70,15-94,96	60,50 ± 9,50	60,21-181,21
excretory	66,62 ± 2,42	61,74-71,50	63,00 ± 9,45	40,66-85,34	51,70 ± 7,23	35,33-68,07	66,56 ± 5,62	53,61-79,50	47,50 ± 4,50	9,68-104,68

RCC: Renal cell cancer, CI: Confidence interval, CT: Computed tomography.