Table 1.

Clinical characteristics of the patients

	Training cohort (n = 112)		Testing cohort (n = 47)
	TERTp-mutation	TERTp-wildtype	TERTp-mutation	TERTp-wildtype	P
Characteristic	(n = 90)	(n = 22)	(n = 38)	(n = 9)	0.8958
Age, years	58.1 ± 12.3		59.2 ± 11.2		0.3699
Sex
Female	45 (40.2%)		17 (54.8%)		0.1449
Male	67 (59.8%)		14 (45.2%)
WHO grade
III	39 (34.8%)		14 (29.8%)		0.5389
IV	73 (65.2%)		33 (70.2%)

Data are means ± standard deviations or numbers of patients with percentages in parentheses. P value was derived from the univariate association analyses between each clinical parameter. Calculated by using the independent sample t test for continuous variables and the χ² test for categoric variables