TABLE 2.
Crude Colon Carcinoma Mortality Risks by Race and Tumor Grade for 1-Year, 3-Year, and 5-Year Follow-Up Periods
| 1-Year |
3-Year |
5-Year |
||||
|---|---|---|---|---|---|---|
| Characteristics | No. (%)a | P value | No. (%)a | P value | No. (%)a | P value |
| Caucasians | 33 (14.9) | 0.01 | 61 (27.6) | 0.002 | 79 (35.8) | 0.01 |
| African Americans | 41 (25.2) | 70 (42.9) | 79 (48.8) | |||
| Patients with low-grade tumors | 52 (16.3) | < 0.001 | 96 (30.0) | < 0.001 | 119 (37.2) | < 0.001 |
| Patients with high-grade tumors | 22 (34.4) | 35 (54.7) | 39 (60.9) | |||
| Caucasians with low-grade tumors | 25 (13.7) | 0.15 | 46 (25.1) | 0.03 | 61 (33.3) | 0.10 |
| African Americans with low-grade tumors | 27 (19.7) | 50 (36.5) | 58 (42.3) | |||
| Caucasians with high-grade tumors | 8 (21.1) | 0.007 | 15 (39.5) | 0.003 | 18 (47.4) | 0.007 |
| African Americans with high-grade tumors | 14 (53.9) | 20 (76.9) | 21 (80.8) | |||
a
Number of deaths in each strata; (%) represents the proportion of colon carcinoma deaths.