Zhao, Liang; Li, Shuangjiang; Ju, Juan; Zhou, Haining; Wang, Hongyu; Che, Guowei (2021). Gamma-Glutamyl Transpeptidase to Platelet Ratio Is a Novel and Independent Prognostic Marker for Resectable Lung Cancer: A Propensity Score Matching Study. Annals of thoracic and cardiovascular surgery, 27(3), pp. 151-163. J-STAGE 10.5761/atcs.oa.20-00247
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BACKGROUND
We report this propensity score matching (PSM) analysis to assess prognostic roles of preoperative gamma-glutamyl transpeptidase to platelet ratio (GPR) in video-assisted thoracoscopic (VATS) lobectomy for stage I-II non-small-cell lung cancer (NSCLC).
METHODS
The PSM-based study conducted on our single-center prospectively collected database from January 2014 to August 2015 provided Kaplan-Meier survival analyses using the log-rank test to discriminate differences in overall survival (OS) and disease-free survival (DFS) between patients stratified by preoperative GPR.
RESULTS
Our study includes 379 patients diagnosed with operable primary stage I-II NSCLC. A GPR value at 0.16 was recognized as the optimal cutoff point for prognostic prediction. Both OS and DFS of patients with GPR ≥0.16 were significantly shortened when compared to those of patients with GPR <0.16. Patients with GPR ≥0.16 had significantly lower 5-year rates of OS and DFS than those of patients with GPR <0.16 (P <0.001). Significant associations between GPR and unfavorable survival still are validated in the PSM analysis. Multivariable Cox regression models on both the entire cohort and the PSM cohort consistently demonstrated that an elevated preoperative GPR could be an independent prognostic marker for both OS and DFS of resectable NSCLC.
CONCLUSIONS
GPR may be an effective and noninvasive prognostic biomarker in VATS lobectomy for surgically resectable NSCLC.
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