Table 3.

Types of lncRNA transcripts

Types	Number of lncRNAs	Averaged length (±sd)	Number of exons (counts of lncRNAs)	Transcriptional direction (counts of lncRNAs)
Intergenic	2602	1002 (±1305.81)	Single (1805); multiple (797)	+(1375); −(1227)
Exonic
Anti-sense	832	1161 (±1059.20)	single (373); multiple (459)	+(448); −(384)
Sense	268	1380 (±1317.87)	single (154); multiple (114)	+(131); −(137)
Total	1100
Intronic
Anti-sense	495	770 (±581.83)	single (292); multiple (203)	+(239); −(256)
Sense	211	733 (±633.81)	single (149); multiple (62)	+(108); −(103)
Total	706
Unknown	191	813 (±782.66)	Single (164); multiple (27)	NA
Total	4599

+: positive strand

−: negative strand

NA not available