CD34 and neoplasm: Multivariate binary logistic regression analysis finally included the tumor type (GG vs. DNT, P < 0.001; OR 13.3, 95% CI 5.9–29.9) and the patient population (adults vs. children, P = 0.014; OR = 2.5, 95% CI 1.2–5.2) into the predicting model of GNT with CD34 positive expression.