Table 1.
Characteristics of total study population by patient race *
| % |
|||
|---|---|---|---|
| Characteristic | White (N = 4871) | Black (N = 423) | P |
| Demographic | |||
| Age, y | .001 | ||
| 66 – 70 | 20.8 | 28.1 | |
| 71 – 75 | 25.7 | 25.3 | |
| 76 – 80 | 24.5 | 25.1 | |
| ≥ 81 | 29.0 | 21.5 | |
| Sex | .004 | ||
| Female | 55.3 | 62.7 | |
| Male | 44.7 | 37.4 | |
| Marital status | <.001 | ||
| Married | 54.6 | 40.3 | |
| Single, separated, or divorced | 10.9 | 21.0 | |
| Widowed | 34.6 | 38.8 | |
| Clinical | |||
| Comorbidity | |||
| Prior or acute myocardial infarction | 4.0 | 3.6 | .630 |
| Congestive heart failure | 6.4 | 7.6 | .344 |
| Renal failure | 0.8 | 0.7 | .909 |
| Chronic liver disease | 1.0 | 0.0 | .040 |
| Other comorbid conditions index | .065 | ||
| 0 | 57.6 | 54.6 | |
| 1 | 27.7 | 26.5 | |
| ≥ 2 | 14.7 | 18.9 | |
| Length of stay for surgical resection, days | <.001 | ||
| <7 | 16.9 | 9.2 | |
| 7 – 13 | 61.8 | 54.5 | |
| ≥ 14 | 21.3 | 36.4 | |
| Rehospitalization within 6 weeks of surgical resection | 10.0 | 9.5 | .741 |
| Environmental | |||
| SEER Registry | <.001 | ||
| Atlanta/rural Georgia | 5.1 | 16.8 | |
| Connecticut | 17.6 | 7.1 | |
| Hawaii | 0.7 | 0.0 | |
| Iowa | 19.0 | 0.7 | |
| Los Angeles | 12.8 | 16.1 | |
| Detroit | 15.6 | 42.1 | |
| New Mexico | 2.9 | 0.5 | |
| San Francisco/San Jose | 11.8 | 14.2 | |
| Seattle | 10.1 | 2.4 | |
| Utah | 4.4 | 0.2 | |
| Residence location | <.001 | ||
| Isolated small rural town | 6.0 | 1.2 | |
| Small rural town | 6.6 | 1.0 | |
| Large rural city/town | 6.7 | 0.5 | |
| Urban | 80.7 | 97.4 | |
| Race- and age-specific median income in census tract | <.001 | ||
| ≤ $20 000 | 28.0 | 52.0 | |
| $20 001 – $25 000 | 20.5 | 23.1 | |
| $25 001 – $30 000 | 17.8 | 11.1 | |
| ≥ $30 001 | 33.6 | 13.8 | |
| Race-specific % of ≥ 25-year-olds with high school education in census tract |
<.001 | ||
| ≤ 50 | 1.3 | 14.5 | |
| 50.1 – 75 | 22.0 | 56.1 | |
| >75 | 76.7 | 29.4 | |
| Physician care | |||
| Saw a medical oncologist | 78.7 | 78.5 | .922 |
| Had continuity primary care provider | 34.5 | 35.5 | .700 |
*
Some values were missing as follows: marital status 93, race-/age-specific median income in census tract 247, race-specific % of ≥ 25-year-olds with high school education in census tract 213, length of stay 78. P values (two-sided) were calculated using overall chi-square tests.