Table 1.
Descriptive demographic and clinical statistics of the study population.
| Characteristic | Frequency | % Of total |
|---|---|---|
| Total number of patients | 692 | 100.0 |
| Age | ||
| <30 | 67 | 9.7 |
| 30 to 59 | 240 | 34.7 |
| 60 or greater | 385 | 55.6 |
| Sex | ||
| Male | 370 | 53.5 |
| Female | 322 | 46.5 |
| Race | ||
| White | 616 | 89.0 |
| Black | 45 | 6.5 |
| Asian, other and unknown | 31 | 4.5 |
| Ethnicity | ||
| Non-Spanish–Hispanic–Latino | 632 | 91.3 |
| Spanish–Hispanic–Latino | 60 | 8.7 |
| Marital status | ||
| Single | 122 | 18.2 |
| Married | 383 | 57.2 |
| Divorced, separated, widowed | 165 | 24.6 |
| Geographic region | ||
| Southeast | 54 | 7.8 |
| South | 42 | 6.1 |
| Midwest | 111 | 16.0 |
| Northeast | 94 | 13.6 |
| West | 391 | 56.5 |
| County | ||
| Non-metro county | 87 | 12.6 |
| Metro county | 605 | 87.4 |
| Tumor site | ||
| Axial | 389 | 56.2 |
| Appendicular | 303 | 43.8 |
| Histology | ||
| Malignant lymphoma, NOSa | 46 | 6.7 |
| Malignant lymphoma, non-Hodgkin, NOSa | 75 | 10.8 |
| Malignant lymphoma, small B lymphocytes, NOSa | 21 | 3.0 |
| Lymphoplasmacytic lymphoma (NHL b) | 11 | 1.6 |
| Malignant lymphoma, mixed small and large cell, diffuse | 22 | 3.2 |
| Diffuse large B-cell (NHLb) lymphoma | 493 | 71.2 |
| Malignant lymphoma, large B, diffuse, immunoblastic | 24 | 3.5 |
| Grade | ||
| B-cell; pre-B; B-precursor | 668 | 96.5 |
| Well differentiated; grade I | 6 | 0.9 |
| Moderately differentiated; grade II | 9 | 1.3 |
| Poorly differentiated; grade III | 5 | 0.7 |
| Undifferentiated; anaplastic; grade IV | 4 | 0.6 |
| Surgery | ||
| Yes | 177 | 25.8 |
| No | 510 | 74.2 |
| Radiation | ||
| Yes | 475 | 70.6 |
| No | 198 | 29.4 |
a
NOS, not otherwise specified.
b
NHL, non-Hodgkin lymphoma.