Table 1.
Patients' characteristics in four groups
| Characteristics | Group 1 (n = 42) | Group 2 (n = 23) | Group 3 (n = 72) | Group 4 (n = 70) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Follow-up period (months; range) | 32.1 | (8.9–67.1) | 37.1 | (8.9–67.1) | 32.9 | (2.9–64.5) | 40.5 | (3.7–68.8) | |
| Median age (years; range) | 67.8 | (39–86) | 70.7 | (45–84) | 72.0 | (50–89) | 76.6 | (43–93) | |
| Gender | Male | 35 | (83.3 %) | 19 | (83.3 %) | 53 | (73.6 %) | 53 | (75.7 %) |
| Female | 7 | (16.7 %) | 4 | (16.7 %) | 19 | (26.4 %) | 17 | (24.3 %) | |
| Previous history of UTUC | Negative | 40 | (95.2 %) | 23 | (100 %) | 68 | (94.4 %) | 64 | (91.4 %) |
| Positive | 2 | (4.8 %) | 0 | (0 %) | 4 | (5.6 %) | 6 | (85.7 %) | |
| Urine cytology before the initial TUR | Negative | 9 | (21.4 %) | 5 | (21.7 %) | 12 | (16.7 %) | 26 | (37.1 %) |
| Suspicious positive | 23 | (54.8 %) | 17 | (73.9 %) | 34 | (47.2 %) | 31 | (44.3 %) | |
| Positive | 9 | (21.4 %) | 0 | (0 %) | 20 | (27.8 %) | 9 | (12.9 %) | |
| Unknown | 1 | (2.4 %) | 1 | (43.5 %) | 6 | (8.3 %) | 4 | (5.7 %) | |
| Tumor size | <3 cm | 29 | (69.1 %) | 14 | (60.9 %) | 58 | (80.6 %) | 13 | (18.6 %) |
| ≥3 cm | 13 | (31.0 %) | 9 | (39.1 %) | 14 | (19.4 %) | 57 | (81.4 %) | |
| Tumor number | Single | 15 | (35.7 %) | 14 | (60.9 %) | 17 | (23.6 %) | 42 | (60 %) |
| Multiple | 27 | (64.3 %) | 9 | (39.1 %) | 55 | (76.4 %) | 28 | (40 %) | |
| Concomitant CIS | Negative | 37 | (88.1 %) | 23 | (100 %) | 60 | (83.3 %) | 68 | (97.1 %) |
| Positive | 5 | (11.9 %) | 0 | (0 %) | 12 | (16.7 %) | 2 | (2.9 %) | |
| EAU recurrence risk | <9 | 39 | (92.9 %) | 23 | (100 %) | 64 | (88.9 %) | 70 | (100 %) |
| ≥10 | 3 | (7.1 %) | 0 | (0 %) | 8 | (11.1 %) | 0 | (0 %) | |