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| Histology | No. of subject | Event | Censored | Median survival, months (95% CI) | 12-month survival | 60-month survival |
|---|---|---|---|---|---|---|
| Adenocarcinoma | 60,052 | 44,965 (75%) | 15,087 (25%) | 13.2 (13.0–13.4) | 52.4% (52.0–52.8%) | 21.6% (21.2–21.9%) |
| Adenosquamous carcinoma | 327 | 265 (81%) | 62 (19%) | 9.9 (8.6–11.2) | 42.4% (36.9–47.7%) | 14.7% (10.5–19.6%) |
| Squamous cell carcinoma | 836 | 660 (79%) | 176 (21%) | 8.9 (7.7–10.6) | 43.7% (40.3–47.1%) | 17.4% (14.6–20.4%) |
