Table 1.
Baseline demographic and clinical characteristics (n=34,046)
| Variables | White (n=28,200) | African American (n=3642) | Hispanic (n=2,204) | P Value |
|---|---|---|---|---|
| Mean age at diagnosis (SD) | 73.1 (5.4) | 72.4 (5.1) | 72.5 (5.4) | <.0001 |
| Geographic Area (%) | <.0001 | |||
| Metro | 86.8 | 98.5 | 91.9 | |
| Urban and Rural | 13.2 | 1.5 | 8.1 | |
| Marital Status (%) | <.0001 | |||
| Married | 75.8 | 59.3 | 73.6 | |
| Single | 19.2 | 34.5 | 22.0 | |
| Unknown | 5.0 | 6.2 | 4.4 | |
| Charlson comorbidity Mean (SD) | 0.33 (0.86) | 0.60 (1.1) | 0.08 (0.44) | <.0001 |
| Annual median income of census tract Mean (SD) | 42330 (19176) | 25979 (13237) | 33408 (13574) | <.0001 |
| Grade (%) | <.0001 | |||
| Well differentiated | 10.07 | 7.6 | 11.9 | |
| Moderately differentiated | 65.62 | 66.4 | 61.5 | |
| Poorly/undifferentiated | 24.31 | 26.0 | 26.6 | |
| Stage (%) | <.0001 | |||
| ≤T2a | 48.1 | 46.2 | 48.5 | |
| T2b and T2c | 41.6 | 40.7 | 39.8 | |
| ≥T3a | 10.3 | 13.1 | 11.7 |
Abbreviations: SD=Standard deviation