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. 2020 Oct 21;10:1750. doi: 10.3389/fonc.2020.01750

Figure 1.

Figure 1

Variables selection methods. (A,B) The selection of variables using the BSR method. (C) The LASSO coefficient profile of 12 GBM-related variables in primary cohort. (D) 10-fold cross-validation (CV) for tuning parameter (λ) selection. (E,F) The FSR method was used to select variables. (G–I) The ROC curves of GBM in primary cohort and two validation cohorts, respectively. BIC, Bayesian information criterion; GBM, glioblastoma multiforme; BSR, best subsets regression; FSR, forward stepwise regression; BMI, body mass index; SIRI, systemic inflammation response index; pEO, preoperative epilepsy occurrence; pKPS, preoperative Karnofsky performance status; PTE, peritumoral edema.