Table 1.

Expression of SNHG1 in normal prostate tissues and prostate cancer tissues.

	Group	N	SNHG1 expression		χ2	p value
			low	high
Type	Normal	14	14	0	21.157	<0.001
	Adenocarcinoma	67	22	45
Age	≤ 65	26	8	18	0.082	0.774
	> 65	41	14	27
Clinical stage	I-II	42	15	27	0.423	0.516
	III-IV	25	7	18
Primary tumor	T1-T2	44	16	28	0.723	0.395
	T3-T4	23	6	17
Gleason score	≤ 6	17	9	8	4.175	0.041
	≥ 7	50	13	37

SNHG1 expression was determined by FISH; p value is from χ²-test -test.

A remarkably increasing frequency of positive expression of SNHG1 was detected in prostate cancer specimens compared to normal prostate tissues (P < 0.001, χ²-test).