Table 1: Demographic features of study population.
aIndependent-samples Kruskal-Wallis Test, bChi-square test for independence.
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