Table 1.

The distributions of demographical characteristics in 862 controls and 431 patients with UCC.

Variable	Controls (N=862)	Patients (N=431)	p value
Age (yrs)	Mean ± S.D.	Mean ± S.D.
	57.18 ± 9.99	68.60 ± 11.81	p<0.001
Gender
Male	566 (65.7%)	272 (63.1%)
Female	296 (34.3%)	159 (36.9%)	p =0.365
Tobacco consumption
No	562 (65.2%)	300 (69.6%)
Yes	300 (34.8%)	131 (30.4%)	p =0.113
Stage
Non muscle invasive tumor (pTa-pT1)		235 (54.5%)
Muscle invasive tumor (pT2-pT4)		196 (45.5%)
Tumor T status
Ta		90 (20.9%)
T1-T4		341 (79.1%)
Lymph node status
N0		380 (88.2%)
N1+N2		51 (11.8%)
Metastasis
M0		417 (96.8%)
M1		14 (3.2%)
Histopathologic grading
Low grade		53 (12.3%)
High grade		378 (87.7%)

Mann-Whitney U test was used between controls and patients with UCC.