Table 1.

Correlation of the expression of HIF1a with clinicopathological features in glioma

	Total	HIF1a
		low	high	P
	180	91	89
Gender				0.5897
male	112	55	57
female	68	36	32
Age				0.1287
< 40	80	43	37
≥ 40	100	48	52
Tumor location				0.9403
Temporal	56	26	30
Frontal	54	28	26
Parietal	12	5	7
Ventricle	11	6	5
Occipital	9	5	4
Others	38	21	17
WHO grade				< 0.0001*
I	26	14	12
II	85	54	31
III	42	20	22
IV	25	3	22
Unknown	2	0	2

*P < 0.05