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Table 1 Basic features of the publications included in this meta-analysis (n = 40)

From: High SNHG expression may predict a poor lung cancer prognosis based on a meta-analysis

Author and year

Sample size

Level of expression

Detection methods

Cut-off value

Reference gene

Survival outcome

HR with 95%CI

LCI

UCI

Analysis methods

Follow-up (month)

NOS score

Wei L 2019

64

upregulated

qRT-PCR

median

GAPDH

OS

2.56

1.2

5.47

Univariate analysis

24

8

Cui Y 2017

68

upregulated

qRT-PCR

median

GAPDH

OS

2.07

1.13

3.79

Univariate analysis

60

8

Li XM 2020

40

upregulated

qRT-PCR

mean

GAPDH

Not reported

-

-

-

-

-

7

Zhang HY 2017

36

upregulated

qRT-PCR

mean

GAPDH

Not reported

-

-

-

-

-

7

Li CL 2019

64

upregulated

qRT-PCR

mean

GAPDH

Not reported

-

-

-

-

-

7

Yang XH 2021

41

downregulated

qRT-PCR

mean

GAPDH

Not reported

-

-

-

-

-

7

Kang BJ 2021

66

downregulated

qRT-PCR

mean

GAPDH

Not reported

-

-

-

-

-

7

Zhao LJ 2021

35

upregulated

qRT-PCR

median

GAPDH

Not reported

-

-

-

-

-

7

Shi JD 2019

32

upregulated

qRT-PCR

median

GAPDH

OS

2.71

0.99

7.41

Univariate analysis

60

8

Zhao SS 2020

42

upregulated

qRT-PCR

Not reported

GAPDH

OS

2.16

0.73

6.38

Univariate analysis

60

7

Wang F 2021

50

upregulated

qRT-PCR

mean

GAPDH

OS

1.79

0.67

4.8

Univariate analysis

60

8

DFS

2.03

0.97

4.27

Univariate analysis

60

8

Gao N 2020

45

upregulated

qRT-PCR

mean

GAPDH

OS

2.34

1.19

4.61

Univariate analysis

60

6

Dong Z 2020

40

upregulated

qRT-PCR

mean

GAPDH

OS

2.36

0.9

6.17

Univariate analysis

60

6

Geng H 2020

60

upregulated

qRT-PCR

median

GAPDH

OS

1.76

0.8

3.86

Univariate analysis

36

8

Liang R 2018

60

upregulated

qRT-PCR

mean

GAPDH

OS

2.33

1.23

4.40

Univariate analysis

48

8

Pang LL 2019

42

upregulated

qRT-PCR

mean

GAPDH

Not reported

-

-

-

-

-

7

Li LP 2020

36

upregulated

qRT-PCR

mean

GAPDH

OS

3.85

1.86

10.96

Univariate analysis

60

6

Chen CH 2018

120

upregulated

qRT-PCR

median

β-actin

OS

1.3

0.88

1.9

Univariate analysis

60

8

PFS

1.24

0.85

1.79

Univariate analysis

60

8

Wang RX 2020

50

upregulated

qRT-PCR

mean

GAPDH

OS

2.55

0.85

7.66

Univariate analysis

48

6

Liu SX 2019

42

upregulated

qRT-PCR

median

GAPDH

OS

2.07

1.04

4.14

Univariate analysis

60

8

Huang YS 2022

65

upregulated

qRT-PCR

mean

GAPDH

OS

2.25

1.05

4.86

Univariate analysis

60

8

Wang Y 2019

40

upregulated

qRT-PCR

median

GAPDH

OS

2.27

0.83

6.19

Univariate analysis

48

6

Wang S 2018

128

upregulated

qRT-PCR

mean

GAPDH

OS

2.1276

1.0638

4.1667

Univariate analysis

60

6

Guo LF 2018

40

upregulated

qRT-PCR

mean

GAPDH

OS

-

-

-

-

-

7

Huang YF 2021

68

upregulated

qRT-PCR

mean

GAPDH

OS

4.09

1.94

8.61

Univariate analysis

48

8

Zhang NN 2021

45

upregulated

qRT-PCR

mean

GAPDH

OS

2.27

0.69

7.41

Univariate analysis

54

8

Chen XL 2020

50

upregulated

qRT-PCR

mean

GAPDH

OS

2.11

0.9

4.96

Univariate analysis

60

8

Zhang ZH 2018

99

upregulated

qRT-PCR

mean

GAPDH

OS

1.66

0.94

2.93

Univariate analysis

60

8

Ma XR 2019

24

upregulated

qRT-PCR

mean

GAPDH

OS

3.298

1.3635

7.9774

Univariate analysis

60

6

Dong YZ 2018

49

upregulated

qRT-PCR

median

GAPDH

OS

1.84

0.94

3.59

Univariate analysis

120

8

DFS

2.22

1.17

4.19

Univariate analysis

80

8

Cui HX 2018

55

upregulated

qRT-PCR

mean

GAPDH

OS

2.234

1.0334

4.8294

Univariate analysis

80

8

Han PF 2021

118

upregulated

qRT-PCR

mean

GAPDH

OS

3.71

1.67

6.94

9

60

 

Jin B 2018

35

upregulated

qRT-PCR

median

GAPDH

OS

1.63

0.56

4.76

Univariate analysis

60

8

Li Y 2022

30

upregulated

qRT-PCR

mean

GAPDH

Not reported

-

-

-

-

-

7

Han W 2018

66

upregulated

qRT-PCR

mean

β-actin

OS

2.73

1.381

5.397

Multivariate analysis

60

9

DFS

2.641

1.394

5.002

Multivariate analysis

60

9

Zhang ZW 2021

50

upregulated

qRT-PCR

median

GAPDH

OS

2.2

0.93

5.19

Univariate analysis

120

8

Fan HJ 2021

63

upregulated

qRT-PCR

mean

GAPDH

OS

2.459

1.584

4.971

Multivariate analysis

60

9

Jin LL 2019

42

upregulated

qRT-PCR

median

GAPDH

OS

2.46

0.96

6.29

Univariate analysis

60

6

Chen ZY 2017

42

upregulated

qRT-PCR

median

GAPDH

OS

6.06

2.44

15.07

Univariate analysis

24

8

PFS

3.89

1.48

10.22

Univariate analysis

24

8

Wang XL 2020

63

upregulated

qRT-PCR

mean

GAPDH

Not reported

-

-

-

-

 

7