Table 3.

Statistical comparison (Mann-Whitney analysis) of levels of HDAC expression (medians) between tumor groups.

	p value
	HDAC1	HDAC2	HDAC3	HDAC8
Glioblastoma x
Normal brain	ns	ns	ns	ns
AI and II	ns	ns	ns	ns
AIII	ns	ns	ns	ns
	HDAC4	HDAC5	HDAC6	HDAC7
Glioblastoma x
Normal brain	<0.0001	0.018	0.011	ns
AI and II	0.012	ns	0.001	ns
AIII	0.010	ns	0.010	0.008
	HDAC9a	HDAC9b	HDAC10	HDAC11
Glioblastoma x
Normal brain	0.0096	<0.0001	0.015	0.0001
AI and II	0.01	0.013	0.001	0.0003
AIII	ns	ns	ns	0.023

AI, AII, and AIII mean astrocytoma grades I, II and III, respectively.

ns: no significant