Table 1.

Clinical and pathological characteristics of UCB patients.

Characteristic		Patients
		n	%
Gender	Males	89	89
	Females	11	11
Age (years)	Mean ± SD	69.9 ± 10.7
	Range	45–92
Grade	G0	2	2
	G1	22	22
	G2	31	31
	G3	45	45
Stage	Ta	45	45
	T1	35	35
	T2	20	20
Tumor Multiplicity	Single	59	59
	Multiple	41	41
Tumor size (cm)	≤2	42	42
	>2	58	58
Disease Status	Primary	71	71
	Relapse	19	19
Family history	Yes	14	14
	No	86	86
Smoking	Never	21	21
	Former	49	49
	Active smokers	30	30
Alcohol use	Non-drinkers	29	29
	Drinkers	71	71
	Moderate drinkers	30	42
	Heavy drinkers	41	58