Table 1. Baseline characteristics of the BC patients and information at follow up.
| Covariates | Cases (%) | Controls (%) |
|---|---|---|
| N | 152 | 148 |
| NMIBC | 136 (89.5) | – |
| MIBC | 16 (10.5) | – |
| Age (years) | ||
| Mean±s.d. | 62.3±7.9 | 62.8±8.7 |
| Range | 40.0–74.1 | 40.3–74.9 |
| Smoking Status | ||
| Never | 21 (13.8) | 24 (16.2) |
| Former | 94 (61.8) | 90 (60.8) |
| Current | 37 (24.4) | 34 (23.0) |
| T stagea | ||
| Ta | 84 (55.3) | – |
| T1 | 46 (30.3) | – |
| T2 | 14 (9.2) | – |
| T3 | 1 (0.7) | – |
| T4 | 1 (0.7) | – |
| Tis | 3 (1.9) | – |
| Tx | 3 (1.9) | – |
| Grading (1973)a | ||
| G1 | 41 (27.0) | – |
| G2 | 64 (42.1) | – |
| G3 | 47 (30.9) | – |
| Grading (2004)a | ||
| Non-high grade | 77 (50.7) | – |
| High grade | 75 (49.3) | – |
| Riska | ||
| Low-risk | 37 (24.4) | – |
| Intermediate Risk | 45 (29.6) | – |
| High-risk | 54 (35.5) | – |
| Muscle invasive | 16 (10.5) | |
| Recurrence | ||
| No | 97 (63.8) | – |
| Yes | 55 (36.2) | – |
| Number of recurrences | ||
| 1 | 35 (63.6) | – |
| 2 | 15 (27.3) | – |
| ⩾3 | 5 (9.1) | – |
| Progression | ||
| No | 146 (96.1) | – |
| Yes | 6 (3.9) | – |
| Therapy | ||
| No | 47 (30.9) | – |
| Yes | 105 (69.1) | – |
| Cystectomy | ||
| No | 125 (82.2) | – |
| Yes | 27 (17.8) | – |
| BC patient DiacriticalGrave status at follow up | ||
| Alive | 128 (84.2) | – |
| Died | 24 (15.8) | |
| Of which for BC | 11 | – |
Abbreviations: BC=bladder cancer; MIBC=muscle-invasive bladder cancer; NMIBC=non-muscle invasive bladder cancer.
a
For reference see: (1) Babjuk et al, 2013; (2) Cheng et al, 2000; (3) Montironi and Lopez-Beltran, 2005.