Table II.
Fiver-year relative survival for Merkel cell carcinoma, 2005–2014
| All | Males | Females | ||||
|---|---|---|---|---|---|---|
| Relative survival | Relative survival | Relative survival | ||||
| Category | N (%) | (95% CI), % | N (%) | (95% CI), % | N (%) | (95% CI), % |
| Overall, ages ≥50 y | 10,036 (100.0) | 60.1 (58.5–61.6) | 6130 (100.0) | 55.1 (53.1–57.1) | 3906 (100.0) | 67.7 (65.2–70.1) |
| Age, y | ||||||
| 50–54 | 327 (3.3) | 67.9 (61.2–73.6) | 215 (3.5) | 64.7 (56.3–71.8) | 112 (2.9) | 73.9 (62.1–82.5) |
| 55–59 | 625 (6.2) | 70.4 (65.7–74.6) | 397 (6.5) | 64.9 (58.8–70.4) | 228 (5.8) | 79.9 (72.3–85.7) |
| 60–64 | 920 (9.2) | 68.5 (64.5–72.1) | 605 (9.9) | 60.3 (55.1–65.2) | 315 (8.1) | 82.9 (77.0–87.4) |
| 65–69 | 1169 (11.6) | 66.8 (62.9–70.4) | 754 (12.3) | 60.7 (55.6–65.5) | 415 (10.6) | 77.4 (71.3–82.4) |
| 70–74 | 1426 (14.2) | 63.8 (60.1–67.4) | 935 (15.3) | 59.2 (54.4–63.7) | 491 (12.6) | 72.1 (65.8–77.4) |
| 75–79 | 1723 (17.2) | 61.3 (57.6–64.7) | 1104 (18.0) | 56.4 (51.6–60.9) | 619 (15.8) | 69.4 (63.4–74.5) |
| 80–84 | 1765 (17.6) | 55.2 (50.9–59.2) | 1036 (16.9) | 51.8 (46.1–57.2) | 729 (18.7) | 59.7 (53.4–65.5) |
| ≥85 | 2081 (20.7) | 44.7 (39.5–49.6) | 1084 (17.7) | 35.2 (28.5–41.9) | 997 (25.5) | 54.1 (46.4–61.2) |
| Stage | ||||||
| Localized | 5500 (62.3) | 72.5 (70.4–74.6) | 3177 (58.8) | 68.0 (65.1–70.8) | 2323 (67.8) | 78.5 (75.2–81.5) |
| Regional | 2398 (27.2) | 51.1 (48.0–54.1) | 1576 (29.2) | 48.9 (45.3–52.5) | 822 (24.0) | 54.8 (49.8–59.6) |
| Distant | 931 (10.5) | 21.4 (17.7–25.3) | 650 (12.0) | 17.7 (13.6–22.3) | 281 (8.2) | 29.9 (22.5–37.6) |
| Race/ethnicity* | ||||||
| Non-Hispanic white | 9225 (94.1) | 59.4 (57.7–61) | 5727 (95.5) | 54.5 (52.5–56.6) | 3498 (91.9) | 67.1 (64.4–69.6) |
| Non-Hispanic black | 152 (1.5) | 54.1 (41.3–65.3) | 70 (1.2) | 51.8 (34.6–66.5) | 82 (2.2) | 54.4 (37.1–68.8) |
| Hispanic, all races | 431 (4.4) | 66.3 (58.7–72.8) | 203 (3.4) | 59.1 (47.3–69.0) | 228 (6.0) | 72.6 (62.1–80.6) |
| Anatomic site | ||||||
| Head and neck | 4156 (46.7) | 58.8 (56.3–61.3) | 2541 (47.4) | 50.7 (47.5–53.9) | 1615 (45.6) | 71.4 (67.2–75.2) |
| Trunk | 926 (10.4) | 49.0 (44.2–53.7) | 645 (12.0) | 49.9 (43.8–55.6) | 281 (7.9) | 46.9 (38.7–54.7) |
| Upper extremity | 2407 (27.0) | 70.1 (67.1–73.0) | 1461 (27.2) | 66.0 (62.0–69.7) | 946 (26.7) | 76.1 (71.2–80.3) |
| Lower extremity | 1415 (15.9) | 64.0 (59.9–67.9) | 715 (13.3) | 64.8 (58.8–70.1) | 700 (19.8) | 61.9 (56.1–67.2) |
CI, Confidence interval.
*
Other race/ethnicity combinations (non-Hispanic Asian/Pacific Islander, non-Hispanic American Indian/Alaska Native, non-Hispanic multiple races) excluded due to small case counts.