Table 2. Multivariate analysis (Cox regression) including clinical and pathological parameters in addition to 18q deletion in all cancers, ERG negative cancers and ERG positive cancers.

Tumor subset	Scenario	n analyzable	P value
			preop. PSA-Level	pT Stage	cT Stage	Gleason grade prostatectomy	Gleason grade biopsy	pN Stage	R-Status	18q Deletion
all cancers	1	3819	< 0.0001	< 0.0001		< 0.0001		< 0.0001	0.0097	0.0004
	2	6126	< 0.0001	< 0.0001		< 0.0001			< 0.0001	0.0004
	3	6008	< 0.0001		< 0.0001	< 0.0001				0.0001
	4	5925	< 0.0001		< 0.0001		< 0.0001			< 0.0001
ERG-negative cancers	1	1916	< 0.0001	< 0.0001		< 0.0001		0.0001	0.0749	0.0148
	2	3030	< 0.0001	< 0.0001		< 0.0001			0.0024	0.0157
	3	2988	< 0.0001		< 0.0001	< 0.0001				0.0067
	4	2949	< 0.0001		< 0.0001		< 0.0001			0.0024
ERG-positive cancers	1	1674	0.0282	< 0.0001		< 0.0001		0.0355	0.1069	0.0264
	2	2666	0.0009	< 0.0001		< 0.0001			0.0015	0.0634
	3	2598	< 0.0001		< 0.0001	< 0.0001				0.0335
	4	2560	< 0.0001		< 0.0001		< 0.0001			0.0593