Table 1. Clinico-pathological association of 18q deletion in all cancers, ERG-negative cancers and ERG-positive cancers.

	All cancers			ERG-negative cancers			ERG-positive cancers
	n	18q deletion (%)	p value	n	18q deletion (%)	p value	n	18q deletion (%)	p value
All cancers	6881	7.5		3419	8.2		2977	6.4
Tumor stage
pT2	4360	6.4	< 0.0001	2260	6.9	0.0004	1751	5.1	< 0.0001
pT3a	1559	8.0		687	9.8		790	6.5
≥ pT3b	930	11.8		459	12.0		418	11.2
Gleason grade
≤ 3+3	1636	6.9	0.0013	799	7.9	0.1842	667	5.0	0.0011
3+4	3804	6.8		1826	7.5		1745	5.6
4+3	1058	10.1		569	10.2		428	10.3
≥ 4+4	344	9.9		208	9.6		116	10.3
PSA Level (ng/μl)
< 4	863	8.0	0.0630	377	7.4	0.3525	413	8.2	0.0698
4–10	4035	6.7		1961	7.7		1784	5.5
10–20	1383	8.8		756	9.7		539	6.7
> 20	510	8.4		289	7.3		195	9.2
Lymph node metastasis
N0	3905	7.4	0.2688	1973	7.7	0.1854	1690	6.9	0.8311
N+	400	9.0		191	10.5		186	6.5
Surgical margin
negative	5390	7.2	0.0416	2694	8.0	0.3797	2300	5.9	0.0581
positive	1366	8.9		664	9.0		620	8.1