Table 1.
Patients' baseline characteristics.
| Clinical characteristic | Strata | Prevalence n; (%) |
|---|---|---|
| Age | <65 | 95 (37,7%) |
| 65-70 | 68 (27%) | |
| 70-75 | 36 (14,3%) | |
| >75 | 53 (21%) | |
|
| ||
| ASA | 1 | 60 (23,8%) |
| 2 | 141 (55,9%) | |
| 3 | 51 (20,3%) | |
|
| ||
| BMI | ≤25 | 72 (28,6%) |
| 25,1-30 | 112 (44,4%) | |
| 30,1-35 | 40 (15,9%) | |
| >35 | 17 (6,7%) | |
| missing | 11 (4,4%) | |
|
| ||
| Nicotine abuse | yes | 115(45,6%) |
| no | 126 (50%) | |
| missing | 11 (4,4%) | |
|
| ||
| Prior TURB | 0 | 101 (40%) |
| 1 | 72 (28,6%) | |
| 2 | 37 (14,7%) | |
| ≥3 | 42 (16,7%) | |
|
| ||
| Rec/year | 0 | 101 (40%) |
| <1 | 81 (32,2%) | |
| >1 | 70 (27,8%) | |
|
| ||
| Preoperative chemotherapy | yes | 7 (2,8%) |
| no | 242 (96%) | |
| missing | 3 (1,2%) | |
|
| ||
| Preoperative BCG immunotherapy | yes | 34 (13,5%) |
| no | 216 (85,7%) | |
| missing | 2 (0,8%) | |
|
| ||
| Preoperative hematuria | yes | 91 (36,1%) |
| no | 150 (59,5%) | |
| missing | 11 (4,4%) | |
|
| ||
| Preoperative pyuria | yes | 101 (40,1%) |
| no | 140 (55,5%) | |
| missing | 11 (4,4%) | |
|
| ||
| Education | primary | 33 |
| secondary/vocational | 45 | |
| higher | 17 | |
| missing | 5 | |
|
| ||
| Marital status | single | 11 |
| coupled | 59 | |
| missing | 5 | |
|
| ||
| Place of residence | village | 62 |
| City <50k | 33 | |
| City >50k | 5 | |
|
| ||
| Number of tumors | 1 | 162 (64,3%) |
| 2 | 39 (15,5%) | |
| ≥3 | 51 (20,2%) | |
|
| ||
| Tumor size | <1cm | 91 (36,1%) |
| 1-3cm | 108 (42,9%) | |
| >3cm | 53 (21%) | |
|
| ||
| Tumour stage (T) | 0 | 35 (14%) |
| A | 111 (44%) | |
| 1 | 56 (22%) | |
| 2 | 32 (12,1%) | |
| Other than UCC | 6 (2,4%) | |
| missing | 4 (1,6%) | |
| CIS | 8 (3,2%) | |
|
| ||
| High grade tumour | yes | 87 (34,5%) |
| no | 161 (63,9%) | |
| missing | 4 (1,6%) | |
|
| ||
| CIS concomitants | yes | 35 (13,9%) |
| no | 213 (84,5%) | |
| missing | 4 (1,6%) | |
Rec: recurrence; ASA: Physical Status Classification System; BMI: Body Mass Index; TURB: transurethral resection of the bladder; BCG: Bacillus Calmette-Guérin; CIS: Carcinoma in situ. Missing data only when indicated.