Higher body mass index indicated better overall survival in pancreatic ductal adenocarcinoma patients: a real-world study of 2010 patients

Autor: Ningzhen Fu, Yu Jiang, Kai Qin, Hao Chen, Xiaxing Deng, Baiyong Shen
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: BMC Cancer, Vol 21, Iss 1, Pp 1-11 (2021)
Druh dokumentu: article
ISSN: 1471-2407
DOI: 10.1186/s12885-021-09056-0
Popis: Abstract Background The association between body mass index (BMI) and the overall survival (OS) of pancreatic ductal adenocarcinoma (PDAC) patients remains controversial and unclear, Method A total of 2010 patients from a high-volume center were enrolled in the study. The OS of PDAC patients was evaluated based on restricted cubic spline (RCS), propensity score (PS) and multivariable risk adjustment analyses. Result BMI was linearly related to the OS (total P = 0.004, nonlinear P = 0.124). BMI was analyzed as categorical data based on X-tile software-defined cutoffs and World Health Organization (WHO)-recommended cutoffs. Adjusted with confounding covariates, higher BMI manifested as a positive prognostic predictor. Furthermore, BMI was proven to be associated with the OS in the PS analysis. (UnderweightXtile vs. NormalXtile P = 0.003, OverweightXtile vs. NormalXtile P = 0.019; UnderweightWHO vs. NormalWHO P
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