Table 1 Demographic and pathological data (first resection)
Variable | N (%) | Mean (median) | |
|---|---|---|---|
Age | 72 (73) | ||
Sex | Female | 32 (24%) | |
Male | 100 (76%) | ||
Grade | LG | 59 (45%) | |
HG | 73 (55%) | ||
Stage | Ta | 7 (5%) | |
Tx | 62 (47%) | ||
Tx(x) | 6 (5%) | ||
Tx(a) | 12 (9%) | ||
Tx(1) | 44 (33%) | ||
T1 | 63 (48%) | ||
Tumor size | < 30 mm | 57 (55%) | |
≥ 30 mm | 46 (45%) | ||
Number of tumors | Single | 54 (47%) | |
2–7 | 44 (38%) | ||
≥ 8 | 18 (16%) | ||
Disease history | Primary | 80 (62%) | |
Recurrent | 49 (38%) | ||
Probability of recurrencea | 1 year | 37% (38%) | |
5 years | 60% (62%) | ||
Probability of progressiona | 1 year | 7% (5%) | |
5 years | 20% (17%) | ||