Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2021 Mar 2;14:1543–1552. doi: 10.2147/OTT.S298576

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2021 Zhang et al.

This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).

PMC Copyright notice

Association of CTC counts with CK19 immunostaining, and survival analysis based on this association. (A) Comparison of CK19- or CK19+ patients stratified by CTC count <6 or ≥6. Difference analysis were assessed for significance using the Pearson chi-squared test. P<0.05 was considered statistically significant. (B) Tumor-free survival after surgery among patients stratified by both CK19 expression and CTC count. The Kaplan–Meier curve was determined by the Log rank test.