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Table 1 The main characteristics of studies with OS included in the prognosis based meta-analysis

From: Long noncoding RNA SNHG12 is a potential diagnostic and prognostic biomarker in various tumors

Study Year Region Tumor type Sample size Specimen Method Cut-off value Follow-up Outcome Quality score (%)
Zhou, S [14] 2018 china osteosarcoma 31 Tissue qRT-PCR Mean 60 months OS 70
Liu, Z [13] 2018 china NPC 129 Tissue qRT-PCR Median 60 months OS 85
Yang, BF [16] 2018 china GC 54 Tissue qRT-PCR NG 40 months OS 80
Zhang, HY [17] 2017 china GC 60 Tissue qRT-PCR Median 60 months OS 75
Lan, T [18] 2017 china HCC 48 Tissue qRT-PCR Median 48 months OS 80
Lei, W [19] 2018 china glioma 79 Tissue qRT-PCR Median 60 months OS 85
Wang, JZ [21] 2017 china CRC 60 Tissue qRT-PCR Median 60 months OS 80
Wang, OC [22] 2017 china BC 102 Tissue qRT-PCR Median 60 months OS 65
Dong, J [20] 2018 china CVC 76 Tissue qRT-PCR Mean 60 months OS 80
  1. NPC nasopharyngeal carcinoma, GC gastric cancer, HCC hepatocellular cancer, CRC colorectal cancer, BC breast cancer, CVC cervical cancer, qRT-PCR quantitative real-time PCR, OS overall survival, NG not given