Table 1.

Distribution of the clinical status of patients in this study.

		Screening (n = 22)							Training (n = 100)							Testing (n = 100)							Testing (n = 50)
		CKD			UC				CKD			UC				CKD			UC				Normal
		n	Mean	SD	n	Mean	SD	P-value	n	Mean	SD	n	Mean	SD	P-value	n	Mean	SD	n	Mean	SD	P-value	n	Mean	SD
Age		11	66.82	11.25	11	64.45	9.50	0.600a	50	65.4	10.6	50	65.78	11.49	0.849a	50	61.12	11.22	50	67.44	10.95	0.005a	50	61.88	14.52
Sex	F	2			2			1b	15			13			0.656b	20			18			0.591b	18
	M	9			9				35			37				30			32				32
Grade	-	11							50			5				50			14				50
	Low								0			13							9
	High				11				0			32							27
CKD stage	0																						50
	I	1			1			1b	9			11			0.856b	10			7			0.680b
	II	1			1				10			11				10			10
	III	3			3				15			14				11			18
	IV	2			2				10			11				10			7
	V	4			4				6			3				9			8

Each group was well matched for age, sex and CKD stage. n, number in each group; Mean, average of each group; SD, standard deviation; CKD, chronic kidney disease; CKD + UC, the urothelial carcinoma patients with CKD.

^aIndependent samples test.

^bPearson chi-square test.