

  Inclusion items      Selection criteria
  -------------------- ---------------------------------------------------------------
  Tumor type           Osteosarcoma
  Sample type          Tumor tissue or blood
  Assay method         qRT-PCR or FISH
  Time of study        January 2003 to September 2017
  Follow-up (months)   ≥60
  Included results     Multivariate analysis of OS and Kaplan--Meier survival curves

**Abbreviations:** FISH, fluorescence in situ hybridization; lncRNA, long noncoding RNA; OS, overall survival; qRT-PCR, quantitative reverse transcriptase polymerase chain reaction.

###### 

Basic information of included articles

  Reference                        Year   LncRNA      Total patients (n)   Survival analysis   Follow-up (months)
  -------------------------------- ------ ----------- -------------------- ------------------- --------------------
  Wang et al[@b21-ott-10-5355]     2017   TUG1        44                   OS                  120
  Wen et al[@b23-ott-10-5355]      2017   UCA1        151                  OS                  60
  Zhou et al[@b30-ott-10-5355]     2017   CCAL        46                   OS                  60
  Chen et al[@b24-ott-10-5355]     2016   BCAR4       60                   OS                  60
  Cong et al[@b32-ott-10-5355]     2016   TUSC7       82                   OS                  120
  Gao and Lian[@b27-ott-10-5355]   2016   MALAT1      162                  OS                  65
  Ju et al[@b25-ott-10-5355]       2016   BCAR4       168                  OS                  68
  Li et al[@b26-ott-10-5355]       2016   HIF2PUT     82                   OS                  60
  Li et al[@b22-ott-10-5355]       2016   UCA1        135                  OS                  60
  Ma et al[@b20-ott-10-5355]       2016   TUG1        76                   OS                  60
  Uzan et al[@b33-ott-10-5355]     2016   HULC        33                   OS                  96
  Xia et al[@b29-ott-10-5355]      2016   91H         67                   OS         