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Y. Ozawa



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    P1.05 - Early Stage NSCLC (ID 691)

    • Event: WCLC 2017
    • Type: Poster Session with Presenters Present
    • Track: Early Stage NSCLC
    • Presentations: 1
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      P1.05-017 - Prognostic Significance of Preoperative Plasma D-Dimer Level in Patients with Surgically Resected Clinical Stage I Non-Small Cell Lung Cancer (ID 8091)

      09:30 - 09:30  |  Author(s): Y. Ozawa

      • Abstract
      • Slides

      Background:
      The plasma D-dimer (D-dimer) level, a marker of hypercoagulation, has been reported to be associated with survival in several types of cancers. The aim of this study was to evaluate the prognostic significance of the preoperative D-dimer level in patients with surgically resected clinical stage I non-small cell lung cancer (NSCLC).

      Method:
      A total of 237 surgically resected NSCLC patients were included in this study. In addition to age, sex, the smoking status, etc., the association between the preoperative D-dimer level and survival was explored.

      Result:
      The patients were divided into two groups according to the D-dimer level: group A (≤ 1.0 µg/ml, n = 170) and group B (> 1.0 µg/ml, n = 67). The 5-year overall survival rate was 89.0 % (95 % confidence interval [CI] 77.7–95.3) for group A, 78.2 % (95 % CI 62.3–83.6) for group B (p = 0.015). A multivariate survival analysis showed that the D-dimer level was an independent significant prognostic factor, in addition to age and SUVmax of the tumor.

      Conclusion:
      The preoperative D-dimer level is an independent prognostic factor in patients with surgically resected clinical stage I NSCLC.

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