Table 2 Median overall survival, survival rates, and conditional 1-year survival probabilities, by year of diagnosis cohort
Year of diagnosis cohort | |||||
|---|---|---|---|---|---|
2000–2002 (n = 2380) | 2003–2005 (n = 2808) | 2006–2008 (n = 2926) | 2009–2011 (n = 2881) | 2012–2013 (n = 1870) | |
Deaths, n (%) | 2308 (97.0) | 2676 (95.3) | 2591 (88.6) | 2287 (79.4) | 1037 (55.4) |
Patients censored, n (%) | 72 (3.0) | 132 (4.7) | 335 (11.4) | 594 (20.6) | 833 (44.5) |
Median OS (95% CI), months | 12 (12–13) | 14 (13–15) | 15 (15–16) | 18 (17–19) | 19 (18–20) |
1-year survival (95% CI), % | 49.2 (47.2–51.2) | 54.9 (53.1–56.8) | 57.4 (55.6–59.2) | 63.3 (61.5–65.0) | 64.5 (62.5–66.8) |
3-year survival (95% CI), % | 17.8 (16.2–19.3) | 20.8 (19.2–22.3) | 25.3 (23.8–26.9) | 28.0 (26.3–29.6) | – |
5-year survival (95% CI), % | 10.6 (9.4–11.8) | 12.3 (11.0–13.4) | 16.2 (14.9–17.5) | 17.3 (15.7–18.9) | – |
10-year survival (95% CI), % | 4.1 (3.3–4.9) | 4.8 (4.0–5.6) | _ | – | – |
Conditional 1-year survival probability (95% CI) after surviving …, % | |||||
Year 0 | 49.2 (47.2–51.2) | 54.9 (53.1–56.8) | 57.4 (55.6–59.2) | 63.3 (61.5–65.0) | 64.5 (62.5–66.8) |
Year 1* | 52.7 (49.9–55.6) | 56.1 (53.7–58.6) | 60.5 (58.2–62.8) | 61.2 (59.0–63.4) | 63.4 (60.1–66.7) |
Year 2† | 68.4 (68.0–68.8) | 67.3 (64.1–70.4) | 73.0 (70.3–75.7) | 72.2 (69.6–74.9) | – |
Year 3‡ | 73.0 (68.7–77.2) | 73.8 (70.3–77.4) | 78.4 (75.4–81.4) | 78.3 (75.1–81.4) | – |
Year 4§ | 81.8 (77.4–86.1) | 80.0 (76.2–83.7) | 81.6 (78.4–84.8) | 79.1 (74.3–83.8) | – |