Table 1. Clinical characteristics of 389 bladder urothelial carcinoma patients involved in identification and validation of the 8-lncRNA prognostic signature.
| Characteristics | Entire TCGA BLCA cohort (N=389) | Detailed data | P-value | |
| Training cohort (N=195) | Testing cohort (N=194) | |||
| Age at diagnosis (years) | ||||
| <65 | 147 (37.8%) | 64 (32.8%) | 83 (42.8%) | 0.055 |
| ≥65 | 242 (62.2%) | 131 (67.2%) | 111 (57.2%) | |
| Gender | ||||
| Male | 287 (73.8%) | 140 (71.8%) | 147 (75.8%) | 0.372 |
| Female | 102 (26.2%) | 55 (28.2%) | 47 (24.2%) | |
| Histological grade | ||||
| Low grade | 25 (6.4%) | 8 (4.1%) | 17 (8.8%) | 0.061 |
| High grade | 364 (93.6%) | 187 (95.9%) | 177 (91.2%) | |
| TNM (UICC) stage | ||||
| Stage I | 2 (0.5%) | 2 (1.0%) | 0 (0.0%) | 0.42 |
| Stage II | 128 (32.9%) | 68 (34.9%) | 60 (30.9%) | |
| Stage III | 136 (35.0%) | 66 (33.8%) | 70 (36.1%) | |
| Stage IV | 123 (31.6%) | 59 (30.3%) | 64 (33.0%) | |
a Chi-square test.