Table 3. Cox regression analysis with inclusion of HDAC2 expression (n=145).

	Overall survival
	HR	95%CI	P-value
HDAC2 expression
Low	1.000
High	2.363	1.150–4.856	0.019
Pre-OP PSA
⩽10 ng ml−1	1.000
>10 ng ml−1	1.542	0.884–2.691	0.127
Tumour stage
pT2	1.000
pT3/pT4	1.557	0.830–2.919	0.168
Gleason sum
2–6	1.000
7	2.795	1.325–5.898	0.007
8–10	3.131	1.403–6.989	0.005
R-status
R0	1.000
R1	1.440	0.789–2.631	0.235

CI=confidence interval; HDAC=histone deacetylase; HR=hazard ratio.