Table 1.
The distributions of demographical characteristics in 860 controls and 430 patients with urothelial cell carcinoma (UCC).
| Variable | Controls (n = 860) n (%) | Patients (n = 430) n (%) | p-Value |
|---|---|---|---|
| Age (years) | |||
| Mean ± S.D. | 57.2 ± 10 | 68.6 ± 11.8 | <0.001 |
| Gender | 0.365 | ||
| Female | 296 (34.4%) | 159 (37.0%) | |
| Male | 564 (65.6%) | 271 (63.0%) | |
| Tobacco consumption | 0.132 | ||
| No | 562 (65.3%) | 299 (69.5%) | |
| Yes | 298 (34.7%) | 131 (30.4%) | |
| Stage | |||
| Non muscle invasive tumor (pTa–pT1) | 235 (54.7%) | ||
| Muscle invasive tumor (pT2–pT4) | 195 (45.3%) | ||
| Tumor T status | |||
| Ta | 90 (20.9%) | ||
| T1–T4 | 340 (79.1%) | ||
| Lymph node status | |||
| N0 | 379 (88.1%) | ||
| N1 + N2 | 51 (11.9%) | ||
| Metastasis | |||
| M0 | 416 (96.7%) | ||
| M1 | 14 (3.3%) | ||
| Histopathologic grading | |||
| Low grade | 53 (12.3%) | ||
| High grade | 377 (87.7%) |
Student’s t-test or chi-squared test was used between controls and patients with UCC.