Table 4.
Five-year relative survival rates for different racial groups, stratified by stage at diagnosis and histologic type.
| Non- Hispanic white (n=4013) |
Hispanic white (n=535) |
Black (n=937) |
Asian (n=3381) |
Other (n=148) |
P-value | |
|---|---|---|---|---|---|---|
| Stage at diagnosis | ||||||
| Localized | 61.6 (55.9–66.7) | 74.5 (53.1–87.2) | 62.6 (46.8–75.0) | 83.5 (77.8–87.8) | 81.0 (18.5–97.4) | <0.001 |
| Regional | 50.6 (48.0–53.2) | 51.6 (44.1–58.6) | 46.5 (41.0–51.8) | 64.0 (61.5–66.4) | 43.9 (30.7–56.3) | <0.001 |
| Distant | 22.4 (18.6–26.5) | 30.3 (17.8–43.7) | 30.3 (21.7–39.4) | 34.1 (28.6–39.6) | 15.8 (4.9– 32.2) | <0.001 |
| Histologic type | ||||||
| Keratinizing squamous cell carcinoma | 39.3 (36.9–41.7) | 43.4 (34.8–51.7) | 34.8 (29.3–40.3) | 57.1 (53.5–60.6) | 32.7 (15.4–51.3) | <0.001 |
| Differentiated non-keratinizing carcinoma | 57.8 (51.4–63.7) | 55.3 (39.1–68.8) | 58.9 (46.8–69.2) | 64.0 (59.2–68.4) | 45.2 (23.7–64.5) | 0.002 |
| Undifferentiated non-keratinizing carcinoma | 65.9 (61.2–70.1) | 62.8 (51.2–72.4) | 65.6 (57.1–72.8) | 71.5 (68.1–74.6) | 47.8 (27.4–65.7) | <0.001 |
| Others | 49.5 (45.9–53.0) | 57.8 (48.8–65.8) | 52.3 (44.9–59.1) | 62.2 (58.5–65.6) | 44.3 (28.5–59.0) | <0.001 |
Cancers diagnosed in the period of 1973–2004, and followed up to 12/31/2009 in the SEER 18 database. In each cell, estimated rate (95% CI). P-values were generated from multivariate Cox models.