Background and objective The activation of coagulation and fibrinolysis is frequently encountered among cancer patients. Such tumors are associated with high risk of invasion, metastases, and negative final outcomes. Non-small cell lung cancer (NSCLC) accounts for approximately 80% to 85% of all lung malignancies. This study aims to investigate the prognostic value of blood coagulation tests for NSCLC and provide a reference to patients on the prevention and treatment of thrombophilia. Methods Data were collected from 604 cases of hospitalized patients with histologically confirmed NSCLC from January 2009 to December 2012 at the Fourth Hospital of Hebei Medical University. Data included the related indexes of coagulation function in patients before treatment [(i.e., prothrombin time (PT), prothrombin time activity (PTA), international normalized ratio (INR), activated partial thromboplastin time (APTT), fibrinogen (Fib), D-dimer, and platelet count)], as well as sex, age, pathological type, TNM stage, and lymph node status. Fifty control subjects without cancer were included in the analysis. Statistical analysis was conducted by using SPSS 13.0 software. Results The plasma level of all coagulation tests including D-dimer, Fib, PT, APTT, INR, and platelet counts revealed statistically significant differences between the patient and control group (P
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