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Clinical and pathological features of patients with bladder cancer and controls
| Variables | No. of patients (%) | No. of controls (%) |
|---|---|---|
| No. | 305 | 34 |
| Mean age ± SD | 65.0 ± 12.6 | 53.8 ± 14.9 |
| Gender | ||
| Male | 253 (83.0) | 19 (55.9) |
| Female | 52 (17.0) | 15 (44.1) |
| Grade | ||
| G1 | 56 (18.4) | |
| G2 | 132 (43.3) | |
| G3 | 117 (38.4) | |
| T stage | ||
| Ta | 48 (15.7) | |
| T1 | 136 (44.6) | |
| T2 | 55 (18.0) | |
| T3 | 38 (12.5) | |
| T4 | 28 (9.2) | |
| N stage | ||
| N0 | 274 (89.8) | |
| N(1–3) | 31 (10.2) | |
| M stage | ||
| M0 | 287 (94.1) | |
| M1 | 18 (5.9) | |
| Median follow-up period (months) |
SD standard deviation
