Table 1.

Analysis of progression factors in de novo HGM patients after RT.

Feature		Progression	Non-progression	p-value
Patients, n (%)		19 (51.35)	18 (48.65)
Age, n (%)
	<65	13 (68.42)	14 (77.78)	0.71
	≥65	6 (31.58)	4 (22.22)
Gender, n (%)
	Male	11 (57.89)	12 (66.67)	0.74
	Female	8 (42.11)	6 (33.33)
Location, n (%)
	Skull base	3 (15.79)	2 (11.11)	1.00
	Non-skull base	16 (84.21)	16 (88.89)
WHO grade, n (%)
	2	16 (84.21)	16 (88.89)	1.00
	3	3 (15.79)	2 (11.11)
EOR, n (%)
	GTR	14 (73.68)	1 (5.56)	<0.001**
	STR	5 (26.32)	17 (94.44)
TERT status, n (%)
	TERT (+)	8 (42.11)	0 (0)	0.003*
	TERT (-)	11 (57.89)	18 (100)

GTR, gross total resection; HGM, high-grade meningioma; RT, radiotherapy; STR, subtotal resection; EOR, extent of resection.

*p < 0.05 and **p < 0.001 considered statistically significant.