Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution patterns and failure hazards of different N subsets.
| Hazard ratio (95% CI) | ||
|---|---|---|
| Group | Distant metastasis survival | OS |
| L1Lu | 1 | 1 |
| N0 | 0.152 (0.020–1.166) | 0.271 (0.061–1.201) |
| Nrp | 1.367 (0.481–3.879) | 1.857 (0.071–4.657) |
| L1Lb | 2.142 (1.129–4.064)b | 2.755 (1.499–5.065)a |
| L2Lu | 3.825 (1.079–13.556)b | 3.835 (1.092–13.471)a |
| L2Lb | 4.785 (2.181–10.497)b | 5.415 (2.537–11.562)a |
P<0.05. OS, overall survival; CI, confidence interval.
