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Table 1 Characteristics of included studies in the meta-analysis

From: Prognostic and clinicopathological significance of SNHG20 in human cancers: a meta-analysis

Author

Year

Study region

Recruitment time

Cancer type

Age (%)

No. (high/low)

Outcome

Detection method

Cut-off value

Source of HR

NOS score

Li et al.

2016

China

2006–2011

Colorectal cancer

≥ 65 (52.3%)

107 (54/53)

OS

qRT-PCR

NA

Data in paper

7

Li et al.

2017

China

2007–2011

Hepatocellular carcinoma

> 65 (25.0%)

96 (50/46)

OS

qRT-PCR

Median

Survival curves

8

Wang et al.

2018

China

2016–2017

Osteosarcoma

≥ 18 (88.2%)

32 (18/14)

OS

qRT-PCR

Median

Survival curves

8

Zhang1 et al.

2016

China

2006–2009

Hepatocellular carcinoma

> 55 (41.7%)

144 (98/46)

OS DFS

ISH

NA

Data in paper

6

Cui et al.

2018

China

2012–2014

Gastric cancer

> 55 (50.0%)

56 (28/28)

OS DFS

qRT-PCR

NA

Survival curves

6

Chen et al.

2017

China

2013–2015

Lung cancer

> 65 (52.4%)

42 (21/21)

OS PFS

qRT-PCR

Median

Survival curves

7

Guo et al.

2018

China

NA

Cervical cancer

≥ 45 (47.3%)

93 (47/46)

OS

qRT-PCR

NA

Survival curves

7

Zhang et al.

2018

China

NA

Esophageal carcinoma

≥ 60 (67.5%)

80 (37/43)

OS

qRT-PCR

Median

Survival curves

6

Gao et al.

2018

China

2008–2013

Oral carcinoma

> 60 (45.0%)

40 (20/20)

OS

qRT-PCR

NA

Data in paper

8

Gao et al.

2019

China

NA

Glioma

≥ 60 (30.8%)

78 (33/45)

OS

qRT-PCR

Mean

Survival curves

8

Sun et al.

2018

China

2011–2013

Nasopharyngeal carcinoma

> 50 (52.7%)

55 (28/27)

OS

qRT-PCR

Median

Survival curves

6

Wang et al.

2019

China

NA

Epithelial ovarian cancer

> 55 (43.3%)

60 (38/22)

OS

qRT-PCR

NA

Survival curves

6

Zhang2 et al.

2018

China

NA

Osteosarcoma

> 18 (61.4%)

140 (70/70)

OS

qRT-PCR

NA

Data in paper

7

Li1 et al.

2019

China

NA

Laryngeal carcinoma

≥ 60 (58.9%)

56 (28/28)

OS

qRT-PCR

NA

Survival curves

8

Li2 et al.

2019

China

2011–2017

Glioma

≥ 50 (52.8%)

108 (54/54)

OS RFS

qRT-PCR

Median

Data in paper

6

  1. NO number, HR hazard ratio, NOS Newcastle–Ottawa Scale, NA not available, OS overall survival, DFS disease-free survival, RFS recurrence-free survival, PFS progression-free survival, qRT-PCR quantitative reverse transcription polymerase chain reaction, ISH in situ hybridization