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- W4310578675 abstract "Abstract Bacground: To assess the predictive values of primary tumor FDG uptake for patients with inoperable stage III non-small cell lung cancer (NSCLC) after concurrent chemoradiotherapy (CCRT). Methods: A total of 107 patients with diagnosis of stage III NSCLC and CCRT were enrolled in this study. The tumor maximum uptake value (SUVmax) was standardized by calculating several ratios between tumor and each background tissues. The receiver operating characteristics curve (ROC) was used to compare the predictive power of prognostic models. The tumor objective response rate (ORR) and overall survival (OS) were compared and analyzed by the Kaplan–Meier method and univariate and multivariate Cox regression models. Results: The areas under ROC curve (AUCs) ranged from 0.72 to 0,81 among these tumor SUVmax and standardized SUVmax ratios, and the tumor SUVmax and tumor SUVmax-to-liver SUVmean ratio (TLMR) were more predictive of ORR (AUC=0.81; 95% CI, 0.73-0.88 for tumor SUVmax and AUC=0.84; 95%CI, 0.76-0.91 for TLMR) than any of other SUVmax ratios. The patients with lower tumor SUVmax, SUVmean and SUVmax ratios had a significantly better OS than those with their corresponding higher ones. Moreover, both univariate and multivariable analyses revealed that TLMR was significantly associated with better ORR and OS after adjustment with other prognostic variables. Conclusions: TLMR, a standardized tumor SUVmax, was an independent prognostic predictor for tumor ORR and OS of patients with stage III NSCLC after CCRT." @default.
- W4310578675 created "2022-12-12" @default.
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- W4310578675 date "2022-12-02" @default.
- W4310578675 modified "2023-09-23" @default.
- W4310578675 title "Tumor to liver maximum standardized uptake value ratio of FDG-PET/CT parametersBBpredicts tumor treatment response and survival of stage III non-small cell lung cancer" @default.
- W4310578675 doi "https://doi.org/10.21203/rs.3.rs-2114141/v1" @default.
- W4310578675 hasPublicationYear "2022" @default.
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