Table 1.
Demographic characteristics of lymphoma patients from two different population groups in Houston, Texas
| Factor | No. (%) of patients | P valueb | |
|---|---|---|---|
| BTGHa | VAMCa | ||
| All | 44 | 127 | |
| Gender | <0.0001 | ||
| Male | 30 (68) | 125 (98) | |
| Female | 14 (32) | 2 (2) | |
| Age (years) | <0.0001 | ||
| ≤50 | 21 (48) | 22 (17) | |
| >50 | 23 (52) | 105 (83) | |
| Race/ethnicityc | <0.0001 | ||
| Asian | 1 (2) | 0 (0) | |
| Black | 15 (34) | 32 (27) | |
| Hispanic | 23 (52) | 14 (12) | |
| White | 5 (11) | 71 (61) | |
| HIV statusd | 0.001 | ||
| Positive | 9 (47) | 10 (12) | |
| Negative | 10 (53) | 71 (88) | |
| Pathologye | NSf | ||
| Non-Hodgkin lymphoma | 41 (93) | 126 (99) | |
| B-cell lymphoma | 41 (93) | 117 (92) | |
| Diffuse large B-cell lymphoma | 27 (61) | 58 (46) | |
| Diffuse large B-cell lymphoma/T-cell/histiocyte-rich type | 0 (0) | 1 (1) | |
| Follicular lymphoma | 2 (4) | 24 (19) | |
| Plasmablastic lymphoma | 4 (9) | 0 (0) | |
| Mantle cell lymphoma | 3 (7) | 8 (6) | |
| Marginal zone B-cell lymphoma | 3 (7) | 16 (13) | |
| Nodal marginal zone B-cell lymphoma | 0 (0) | 2 (2) | |
| Extranodal marginal zone B-cell lymphoma | 0 (0) | 4 (3) | |
| Extranodal marginal zone B-cell lymphoma (of MALT type) | 3 (7) | 10 (8) | |
| Burkitt lymphoma | 1 (2) | 1 (1) | |
| Chronic lymphocytic leukemia/small lymphocytic lymphoma | 0 (0) | 8 (6) | |
| Lymphoplasmacytic lymphoma | 0 (0) | 1 (1) | |
| Unclassified | 1 (2) | 0 (0) | |
| NK/T-cell lymphoma | 0 (0) | 8 (6) | |
| Extranodal NK/T-cell lymphoma, nasal type | 0 (0) | 1 (1) | |
| Peripheral T-cell lymphoma, unspecified | 0 (0) | 2 (2) | |
| Anaplastic large cell lymphoma | 0 (0) | 2 (2) | |
| Mycosis fungoides | 0 (0) | 3 (2) | |
| Unclassified | 0 (0) | 1 (1) | |
| Hodgkin lymphoma | 3 (7) | 1 (1) | |
| Nodular sclerosis | 2 (4) | 0 (0) | |
| Mixed cellularity | 0 (0) | 1 (1) | |
| Unclassified | 1 (2) | 0 (0) | |
a
Abbreviations: BTGH = Ben Taub General Hospital; VAMC = Michael E. DeBakey Veterans Affairs Medical Center; NS = not significant.
b
Estimated between BTGH and VAMC patients with Z test for proportions.
c
Information on ethnicity was missing in 10 cases from VAMC.
d
Information on HIV status was missing in 25 cases from BTGH and in 46 cases from VAMC.
e
World Health Organization classification.
f
B-cell lymphoma vs. NK/T-cell lymphoma, P = 0.215. Among B-cell lymphoma: diffuse large B-cell vs. all other, P = 0.105.