Table 2.
Clinical characteristics of the study population by race.
| Clinical variables | Black N (%) | White N (%) | P-Value |
|---|---|---|---|
| Tumor Site | 0.049a | ||
| Oral cavity | 23 (26.4) | 95 (36.4) | |
| Pharynx | 25 (28.7) | 86 (33.0) | |
| Larynx | 39 (44.8) | 80 (30.7) | |
| Stage At Diagnosis | 0.045a | ||
| I | 16 (18.4) | 41 (15.7) | |
| II | 7 (8.1) | 47 (18.0) | |
| III | 11 (12.6) | 48 (18.4) | |
| IV | 49 (56.3) | 107 (41.0) | |
| Unknown | 4 (4.6) | 18 (6.9) | |
| Lymph Node Involvement At Diagnosis | 0.529 | ||
| Yes | 45 (51.7) | 117 (44.8) | |
| No | 38 (43.7) | 126 (48.3) | |
| Unknown | 4 (4.6) | 18 (6.9) | |
| Tumor Grade | 0.129 | ||
| Well differentiated | 4 (4.6) | 28 (10.7) | |
| Moderately differentiated | 59 (67.8) | 154 (59.0) | |
| Poorly differentiated | 11 (12.6) | 30 (11.5) | |
| Not evaluated | 12 (13.8) | 33 (12.7) | |
| Unknown | 1 (1.2) | 16 (6.1) | |
| Treatment | 0.233 | ||
| Surgery only | 25 (28.7) | 84 (32.2) | |
| Radiation and/or chemo only | 29 (33.3) | 60 (23.0) | |
| Surgery + radiation and/or chemo | 26 (29.9) | 99 (37.9) | |
| Unknownb | 7 (8.1) | 18 (6.9) | |
| Total | 87 (100) | 261 (100) | |
a
p-value <0.05 is considered statistically significant,
b
Data missing for at least one of the three treatment options and includes three Black cases that refused treatment.