Table 1. Clinicopathological characteristics of bladder cancer patients by cohort.
| Characteristics | Primary cohort, n (%) | Validation cohort, n (%) | P value |
|---|---|---|---|
| Age | 0.653 | ||
| ≤65 | 59 (42.4) | 32 (45.7) | |
| >65 | 80 (57.6) | 38 (54.3) | |
| Sex | 0.985 | ||
| Male | 121 (87.1) | 61 (87.1) | |
| Female | 18 (12.9) | 9 (12.9) | |
| Surgical type | 0.525 | ||
| Bricker | 54 (38.8) | 22 (31.4) | |
| Studer | 35 (25.2) | 18 (25.7) | |
| Cutaneous ureterostomy | 50 (36.0) | 30 (42.9) | |
| Tumor size | 0.729 | ||
| <3 cm | 54 (38.8) | 23 (32.9) | |
| ≥3 cm | 85 (61.2) | 47 (67.1) | |
| T stage | 0.375 | ||
| Tis-T1 | 59 (42.4) | 23 (32.9) | |
| T2 | 32 (23.1) | 19 (27.1) | |
| T3 | 22 (15.8) | 17 (24.3) | |
| T4 | 26 (18.7) | 11 (15,7) | |
| N stage | 0.808 | ||
| N0 | 117 (84.2) | 59 (84.3) | |
| >N0 | 22 (15.8) | 11 (15.7) | |
| M stage | 0.2 | ||
| M0 | 132 (95.0) | 69 (98.6) | |
| M1 | 7 (5.0) | 1 (1.4) | |
| Blood transfusion | 0.811 | ||
| Yes | 56 (40.3) | 27 (38.6) | |
| No | 83 (59.7) | 43 (61.4) | |
| Adjuvant chemotherapy | 0.708 | ||
| Yes | 33 (23.7) | 15 (21.4) | |
| No | 106 (76.3) | 55 (78.6) | |
| Tumor margin | 0.703 | ||
| Positive | 21 (15.1) | 12 (17.1) | |
| Negative | 118 (84.9) | 58 (82.9) | |
| Vessel invasion | 0.073 | ||
| Positive | 35 (25.2) | 26 (37.1) | |
| Negative | 104 (74.8) | 44 (62.9) | |
| BMI | 0.068 | ||
| ≤24 | 84 (60.4) | 33 (47.1) | |
| >24 | 55 (39.6) | 37 (52.9) | |
| Diabetes | 0.777 | ||
| Yes | 24 (17.3) | 11 (15.7) | |
| No | 115 (82.7) | 59 (84.3) | |
| Cardiovascular disease | 0.59 | ||
| Yes | 57 (41.0) | 26 (37.1) | |
| No | 82 (59.0) | 44 (62.9) |
BMI, body mass index.