TABLE 1.
Demographic and Tumor Characteristics of 398 Caucasian and AA Patients with Colon Adenocarcinomas Based on Race and Tumor Grade
| Low grade (n = 333) |
High grade (n = 65) |
|||||
|---|---|---|---|---|---|---|
| Caucasian (n = 190) | AA (n = 143) | Caucasian (n = 39) | AA (n = 26) | |||
| Variables grade (n = 65) | No. (%) | No. (%) | P value | No. (%) | No. (%) | P value |
| Gender | ||||||
| Male | 120 (63.2) | 74 (51.8) | 0.04 | 29 (74.4) | 14 (53.9) | 0.09 |
| Female | 70 (36.8) | 69 (48.2) | 10 (25.6) | 12 (46.2) | ||
| Age (yrs) | ||||||
| 0–49 | 19 (10.0) | 11 (7.7) | 0.43 | 9 (23.1) | 2 (7.7) | 0.09 |
| 50–64 | 70 (36.8) | 46 (32.2) | 6 (15.4) | 9 (34.6) | ||
| ≥65 | 101 (53.2) | 86 (60.1) | 24 (61.5) | 15 (57.7) | ||
| Hospital | ||||||
| University | 123 (64.7) | 103 (72.0) | 0.16 | 31 (79.5) | 16 (61.5) | 0.11 |
| Veteran’s | 67 (35.3) | 40 (28.0) | 8 (20.5) | 10 (38.5) | ||
| Stage | ||||||
| I | 38 (20.0) | 30 (21.0) | 0.97 | 3 (7.7) | 2 (7.7) | 0.56 |
| II | 74 (39.0) | 52 (36.4) | 9 (23.1) | 9 (34.6) | ||
| III | 52 (27.4) | 40 (28.0) | 17 (43.6) | 7 (26.9) | ||
| IV | 26 (13.7) | 21 (14.7) | 10 (25.6) | 8 (30.8) | ||
| Colon site | ||||||
| Proximal | 86 (45.3) | 77 (53.9) | 0.12 | 25 (64.1) | 19 (73.1) | 0.45 |
| Distal | 104 (54.7) | 66 (46.2) | 14 (35.9) | 7 (26.9) | ||
| Vital status (end of follow-up)a | ||||||
| Alive | 55 (29.0) | 29 (20.3) | 0.20 | 10 (25.6) | 1 (3.9) | 0.02 |
| Death due to colon carcinoma | 84 (44.2) | 70 (49.0) | 19 (48.7) | 21 (80.8) | ||
| Death due to other causes | 51 (26.8) | 44 (30.8) | 10 (25.6) | 4 (15.4) | ||
AA: African American.
a
Patients were accrued between 1981 and 1993 and were followed until March 2004.