Table 1.

Demographics and clinical features of 239 patients presenting for microscopic hematuria evaluation

Characteristic	No cytology available		Cytology available
	N = 57		N = 182
Age	(N)	(%)	(N)	(%)
Range	18-91		20-89
Median	63		60
Sex
M/F	36/21	63/37	92/90	51/49*
Race
Caucasian	35	61	113	62
African American	16	29	59	32
Other	6	11	10	6
Tobacco use	22	39	110	60*

* difference between patients with cytology available compared to patients without cytology, p < 0.05