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Chinese Journal of Thoracic Surgery(Electronic Edition) ›› 2015, Vol. 02 ›› Issue (01): 40-47. doi: 10.3877/cma.j.issn.2095-8773.2015.01.008

Special Issue:

• Original Article • Previous Articles     Next Articles

Prognostic significance of preoperative coagulation assays in patients with non-small cell lung cancer after complete resection

Haijin Suo1, Hua Zhang1, Jianquan Zhu1, Jun Liu1, Changli Wang1,()   

  1. 1. Department of Lung Cancer, Cancer Institute and Hospital of Tianjin Medical University, Tianjin 300060, China
  • Received:2015-01-12 Online:2015-02-28 Published:2015-02-28
  • Contact: Changli Wang
  • About author:
    Corresponding author: Wang Changli, Email:

Abstract:

Objective

To evaluate the correlation between preoperative coagulation assays’ levels and overall survival (OS) in patients with non-small cell lung cancer (NSCLC) after complete resection.

Methods

A retrospective study of 754 patients with NSCLC undergoing complete resection was conducted at the Tianjin Medical University Cancer Institute and Hospital from January 2004 to December 2008. The correlation of preoperative coagulation assays’ levels with other variables was evaluated by Kruskall-Wallis and Mann-Whitney U test. Univariate and multivariate analysis was employed to determine the association between the preoperative level of coagulation factors and OS.

Results

All preoperative coagulation tests’ levels prothrombin time (PT); international normalized ratio (INR); activated partial thromboplastin time (APTT); thrombin time (TT); fibrinogen (Fbg); D-dimer)were associated with T stage and clinical stage. Univariate analysis of survival showed that preoperative prolonged prothrombin time (PT) (χ2=8.254, P=0.004) and International Normalized Ratio (INR) (χ2=5.404, P=0.020), and abnormally elevated fibrinogen (Fbg) (χ2=9.184, P=0.002) and D-dimer (χ2=9.184, P=0.002) were associated with a poor prognosis. And the multivariate model confirmed preoperative D-dimer was an independent prognostic factor for the patients with NSCLC(OR=1.274, 95%CI: 1.040-1.559, P=0.019).

Conclusions

Preoperative prolongation of PT and INR, and elevation of Fbg and D-dimer are associated with decreased survival in NSCLC patients, and preoperative plasma D-dimer level is an independent prognostic factor of survival in patients with NSCLC after complete resection.

Key words: Cancer, non-small cell lung, Prognosis, D-dimer

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