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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