Supplementary Table 1.

Characteristics of LGGs and HGGs patients in the training and validation cohorts

	Training cohort (n=107)			Validation cohort (n=45)
	LGGs	HGGs	p	LGGs	HGGs	p
Number	36	71	-	11	34	-
Age
Mean±SD	44.53±11.31	51.93±22.68	0.001	40.18±8.85	56.79±12.27	<0.001
NLR
Median (Q1, Q3)	2.07 (1.72, 3.21)	2.73 (1.97, 4.64)	0.036	1.83 (1.47, 2.89)	3.21 (2.28, 5.12)	0.016
RDW
Mean±SD	13.1±1.04	13.36±1.34	0.161	13.21±1.38	13.24±0.82	0.283

p < 0.05.

NLR, neutrophil-lymphocyte ratio; RDW, red cell distribution width; LGGs, low-grade gliomas; HGGs, high-grade gliomas.