Table 2.
Percentage survival at two and five years by prognostic factors.
| 2yOS | 5yOS | |||
|---|---|---|---|---|
| % | 95% CI | % | 95% CI | |
| Entire cohort | 8.0 | (7.9–8.2) | 2.1 | (2.0–2.1) |
|
| ||||
| Age | ||||
| <67 | 9.5 | (9.3–9.6) | 2.7 | (2.6–2.7) |
| ≧67 | 6.6 | (6.5–6.7) | 1.5 | (1.5–1.6) |
|
| ||||
| Sex | ||||
| Male | 6.3 | (6.1–6.4) | 1.6 | (1.5–1.7) |
| Female | 10.5 | (10.3–10.7) | 2.8 | (2.7–2.9) |
|
| ||||
| Race | ||||
| White | 7.5 | (7.4–7.7) | 2 | (1.9–2.0) |
| Black | 7.2 | (6.9–7.5) | 1.8 | (1.7–2.0) |
| American Indian/Alaska native | 8.6 | (7.0–10.4) | 1.5 | (0.8–2.6) |
| Asian/Pacific Islander | 15.1 | (14.5–15.6) | 4.1 | (3.7–4.4) |
| Unk/oth | 23.1 | (17.6–29.1) | 15.1 | (9.8–21.5) |
|
| ||||
| Marital status | ||||
| Single | 7.0 | (6.9–7.2) | 1.8 | (1.7–1.9) |
| Married | 8.7 | (8.6–8.9) | 2.3 | (2.2–2.4) |
|
| ||||
| Histology | ||||
| Adenocarcinoma | 10.8 | (10.6–11) | 2.7 | (2.6–2.8) |
| Lung carcinoma NOS | 5.1 | (5.0–5.3) | 1.3 | (1.3–1.4) |
| Squamous cell carcinoma | 6.2 | (6.0–6.4) | 1.8 | (1.7–1.9) |
| Small-cell carcinoma | 4.4 | (4.3–4.6) | 1.3 | (1.2–1.4) |
|
| ||||
| Grade | ||||
| Well differentiated | 18.6 | (17.6–19.7) | 6.3 | (5.6–7.0) |
| Moderately differentiated | 13.2 | (12.8–13.7) | 3.8 | (3.5–4.1) |
| Poorly differentiated | 7.1 | (6.9–7.3) | 2.0 | (1.9–2.1) |
| Undifferentiated | 4.5 | (4.1–4.8) | 1.3 | (1.1–1.5) |
|
| ||||
| Year of diagnosis | ||||
| 1973–79 | 3.1 | (2.9–3.4) | 0.7 | (0.6–0.9) |
| 1980–89 | 3.5 | (3.3–3.7) | 0.9 | (0.8–1.0) |
| 1990–99 | 4.5 | (4.3–4.7) | 1.1 | (1.0–1.2) |
| 2000–09 | 8.4 | (8.3–8.6) | 2.1 | (2.0–2.2) |
| 2010–15 | 12.6 | (12.3–12.9) | 3.7 | (3.5–3.9) |
|
| ||||
| Treatment | ||||
| None | 4.5 | (4.3–4.6) | 1.6 | (1.5–1.7) |
| Chemotherapy only | 14.9 | (14.6–15.2) | 3.3 | (3.1–3.5) |
| Radiotherapy (RT) only | 4.0 | (3.9–4.2) | 1.0 | (1.0–1.1) |
| Chemotherapy + RT | 11.7 | (11.5–12) | 2.9 | (2.8–3.1) |
|
| ||||
| Income | ||||
| <mediana | 7.2 | (7.0–7.4) | 1.9 | (1.8–2.0) |
| ≧mediana | 8.5 | (8.4–8.7) | 2.2 | (2.1–2.3) |
2yOS: two-year overall survival. 5yOS: five-year overall survival. CI: confidence interval. NOS: non-other specified. Ca: carcinoma. aAnnual county median in 2010 of $52,595.