Table 1.
The patients’ baseline characteristics (chi-squared and Mann–Whitney U-test P values of the differences between the two study groups)
| Variable | All patients N = 590 |
Moreau n = 138 (23.4%) |
TICE n = 272 (46.1%) |
RIVM n = 180 (30.5%) |
P |
|---|---|---|---|---|---|
| Age, years, median (IQR) | 66.9 (58–75) | 61.1 (55–66) | 71.1 (65–78) | 66.1 (56–74) | <0.001a |
| Gender, n (%) Male Female |
493 (83.6) 97 (16.4) |
114 (82.6) 24 (17.4) |
232(85.3) 40 (14.7) |
147 (81.7) 33 (18.3) |
0.979 |
| Smoking history, n (%) Never Former Current Unknown |
171 (29) 241 (40.8) 161 (27.3) 17 (2.9) |
52 (37.6) 43 (31.2) 43 (31.2) 0 (0) |
<0.001a | ||
| 63 (23.1) 136 (50) 57 (21) 16 (5.9) |
56 (31.1) 62 (34.4) 61 (33.9) 1 (0.6) |
||||
| Concomitant CIS, n (%) Yes No Unknown |
119 (20.2) 466 (79) 5 (0.8) |
28 (20.3) 110 (79.7) 0 (0) |
46 (16.9) 222 (81.6) 4 (1.5) |
45 (25) 134 (74.4) 1 (0.6) |
0.654 |
| Tumour size, n (%) <3 cm >3 cm Unknown |
294 (49.8) 251 (42.6) 45 (7.6) |
79 (57.2) 59 (42.3) 0 (0) |
123 (45.2) 117 (43) 32 (11.8) |
92 (51.1) 75 (41.7) 13 (7.2) |
0.021a |
| Tumour focality, n (%) Solitary Multiple Unknown |
275 (46.6) 281 (47.6) 34 (5.8) |
88 (63.8) 50 (36.2) 0 (0) |
100 (36.8) 150 (55.1) 22 (8.1) |
87 (48.3) 81 (45) 12 (6.7) |
<0.001a |
| MP in the primary TURB specimen, n (%) Yes No Unknown |
432 (73.2) 121 (20.5) 37 (6.3) |
104 (75.4) 32 (23.2) 2 (1.4) |
208 (76.5) 53 (19.5) 11 (4) |
120 (66.7) 36 (20) 24 (13.3) |
0.005a |
| Total number of BCG instillations; median (IQR) | 15 (9–18) | 15 (12–21) | 14 (9–18) | 15 (11–18) | 0.083 |
a Statistically significant P value.