Table III.

The association between various factors and ATRX status.

Variable	Total number	Loss	Expression	P-value
Number	179	50	123
Age
≤48.5	71	39	32	0.005
>48.5	108	17	91
Sex
Male	108	31	77	0.739
Female	71	25	46
WHO grade
II	38	21	17	0.507
III	43	24	19
IV	98	71	27
IDH
Mut	73	34	39	0.003
WT	106	22	84
TERT
Mut	97	11	86	0.001
WT	82	45	37
Ki-67 expression index
≤27.12	87	36	51	0.131
>27.12	91	20	71
Recurrence (n)
Recurrence	8	4	4	0.135
Non-recurrence	171	52	119

ATRX, α thalassemia/mental retardation syndrome X-linked; WHO, world health organization; IDH, isocitrate dehydrogenase; TERT, telomerase reverse transcriptase; Ki-67, proliferation marker protein Ki-67.