| Characteristic | All Cohort | TCC Follow up | TCC No Show | P-value |
| Patients | ||||
| Total number | 488 | 159 | 329 | |
| Age in years | 65.0 | 65.9 | 64.5 | 0.23a |
| <35 | 15 | 6 | 9 | |
| 35-50 | 46 | 6 | 40 | |
| 51-65 | 186 | 67 | 119 | |
| 66-80 | 192 | 63 | 129 | |
| >80 | 49 | 17 | 32 | |
| Sex | 0.902b | |||
| Males | 262 | 86 | 176 | |
| Females | 226 | 73 | 153 | |
| Race | 0.207b | |||
| African American | 463 | 154 | 309 | |
| Hispanic | 12 | 0 | 9 | |
| White | 9 | 4 | 8 | |
| Asian | 4 | 1 | 3 |