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.
Survival curves in 18,196 patients according to marital status. (A) Stage I‐IV, χ2 = 291.817, P < 0.001. (B) Stage I, χ2 = 224.840, P < 0.001. (C) Stage II, χ2 = 44.194, P < 0.001. (D) Stage III, χ2 = 62.773, P < 0.001. (E) Stage IV, χ2 = 149.243, P < 0.001.
