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Table 1 Characteristics of included studies

From: Diagnostic performance of radiomics model for preoperative risk categorization in thymic epithelial tumors: a systematic review and meta-analysis

Authors

Year of publication

Location

Study duration

Study design

Sample size

Age(y)

Image modality

Parameters extraction software

Total/included features

Risk classification

Sui (16)

2019

Changchun, China

2013.2–2018.3

Retrospective single-center

298

52.6

NECT/CECT

RadCloud

1029/12

A

Wang (17)

2019

Shenyang, China

2010.1–2018.10

Retrospective single-center

199

30–80

NECT/CECT

3D slicer v4.10

841/10

A,B

Chen (18)

2020

Guangdong,China

2009.2– 2019.3

Retrospective multiple-center

90

54 (19–81)

CECT

MATLAB 2016

10,394/8

A

Ren (19)

2020

Shanghai, China

2011.1–2019.4

Retrospective multiple-center

120

54.6 (24–77)

CECT

LIFEX v5.1.0

NA./43

A

Hu (20)

2020

Fuzhou, China

2009.1– 2018.12

Retrospective single-center

155

52.5 (23–79)

NECT + CECT

IBEX software

230/10

A

Xiao(21)

2020

Xi’an, China

2014.10–2018.11

Retrospective single-center

128

50.9 (22–75)

MRI

ITK-SNAP v3.6.0

4548/14

A

Blüthgen (22)

2021

Zurich, Switzerland

2000–2018

Retrospective single-center

62

57

CECT

PyRadiomics

1316/12

A,B

Dong (23)

2022

Nanchang, China

2017.7– 2022.3

Retrospective single-center

77

44.2

CECT

DARWIN Platform

558/13

A

Yu (24)

2022

Taiyuan, China

2012–2018

Retrospective single-center

130

54 (24–78)

CECT

RadCloud

1409/16

A

Araujo-Filho (25)

2022

New York, USA

2008.3–2019.7

Retrospective single-center

146

NA

CECT

METLAB

101/8

B

Tian (26)

2022

Tokyo, Japan

2001.1–2022.1

Retrospective single-center

124

61

NECT

3D slicer v4.10.2

851/15

B

Feng (27)

2022

Xi’an, China

2009.1–2018.5

Retrospective single-center

433

50

NECT

ITK-SNAP v3.6.0

1218/9

A

Nakajo (28)

2022

Kagoshira, Japan

20

Retrospective single-center

79

NA

PET

PyRadiomics v2.2.0

1131/3

A

  1. CECT: contrast enhanced computer tomography; NECT: non-contrast enhanced computer tomography; MR: magnetic resonance; PET: positron emission tomography; NA: not available;
  2. Risk classification: A, Low risk vs. High risk histological subtype thymic tumor; B, early stage vs. Advanced stage thymic tumor