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Table 1 Characteristics of the included studies

From: Early diagnosis of ovarian cancer based on methylation profiles in peripheral blood cell-free DNA: a systematic review

Author (et al.)

Year

OC (no.)

Controls (no.)

Histological subtype

Stage

Initial target gene(s) selection and clinical purpose of biomarker

de Caceres [18]

2004

50 (T)

10b/20h (T)

Papillary serous

Endometrioid

Mucinous

Clear cell

Transitional cell

I/III/IV

Previous research

Detection

Su [19]

2009

26 (T)

20b (T)

Serous

Endometrial

Mucinous

N/A

Previous research

Detection/prognostic

Melnikov [20]

2009

33 (T)

33h (T)

Papillary serous

III/IV

Global screening

Detection

BonDurant [21]

2011

21 (T)

7h (T)

Serous

I–IV

Global screening

Detection

Campan [22]

2011

16 (T)

8h (T)

Serous

Endometrioid

Mucinous

III/IV

Global screening

Detection

Häfner [23]

2011

32 (T)

30b/20h (T)

Serous

Endometrioid

Papillary

Clear cell

Neuroendocrine

II–IV

Previous research

Detection

Liggett [24]

2011

30 (T)

30b/30h (T)

Serous

III/IV

Semi-global screening

Detection

Dong [25]

2012

36 (T)

25h (T)

Serous

Endometrioid

Mucinous

I–IV

Previous research

Detection

Wang [26]

2013

60 (T)

30b/30h (T)

Serous

Endometrioid

Mucinous

Clear cell

I–III

Previous research

Detection

Zhang [27]

2013

87 (T)

39 (V)

53b/62h (T)

29b (V)

Serous

Endometrioid

Mucinous

Clear cell

Mixed

I–IV (T)

I–III (V)

Previous research

Detection

Wu [28]

2014

47 (T)

14b/10h (T)

Serous

Endometrioid

Mucinous

I–IV

Previous research

Detection

Zhou [29]

2014

45 (T)

60h (T)

Serous

Endometrioid

Mucinous

Clear cell

Undifferentiated

I–IV

Previous research

Detection

Wang [30]

2015

71 (T)

43b/80h (T)

Serous

Endometrioid

Mucinous

Clear cell

I–IV

Previous research

Detection

Giannopoulou [31]

2017

59 (T)

51h (T)

High grade serous

N/A

Previous research

Prognostic

Swellam [32]

2017

90 (T)

50b/30h (T)

Serous

Endometroid

Mucinous

I–IV

Previous research

Detection

Wang [33]

2017

71 (T)

43b/80h (T)

N/A

I–IV

Previous research

Detection

Widschwendter [34]

2017

29 (T)

48 (V)

119b/21h (T)

154b/41h (V)

High grade serous

Endometrioid

Clear cell

Mucinous

Carcinosarcoma

I–IV

Global screening

Detection

Giannopoulou [35]

2018

50 (T)

51h (T)

Serous

I–IV

Previous research

Prognostic

Dvorská [36]

2019

33 (T)

5b/3bc−oc/9h (T)

Serous

Serous papillary

Endometrioid

Mucinous

Clear cell

N/A

Previous research

Detection/prediction of risk

Kumar [37]

2019

53 (T)

12b/7lmp/15h (T)

Serous

Endometroid

Mucinous

Clear cell

I–IV

Previous research

Detection/prognostic

Liu [11]

2020

27 (T)

12 (V)

1521h (T)

610h (V)

Fallopian tube

Primary peritoneal

N/A

Global screening

Detection

Miller [38]

2020

26 (T)

8 (V)

41h (T)

12h (V)

Serous

Non-serous

N/A

Previous research

Detection

Singh [39]

2020

45 (T)

25h (T)

Serous

Mucinous

I–IV

Previous research

Detection

Faaborg [40]

2021

26 (V)

79 (A)

64h (T)

Low-grade serous

High-grade serous

Endometrioid

Mucinous

I–IV

Previous research

Detection

Miller [41]

2021

38 (T)

20h (T)

N/A

III/IV

Previous research

Detection

Singh [42]

2021

45 (T)

25h (T)

Serous

Mucinous

I–IV

Previous research

Detection

Tserpeli [43]

2021

84 (T)

49 (T)

27h (T)

High grade serous

III/IV

Previous research

Prognostic

Marinelli [44]

2022

91 (T)

91h (T)

Low grade serous

High grade serous

Endometrioid

Mucinous

Clear cell

I–IV

Global screening

Detection

Tomeva [45]

2022

19 (T)

8h (T)

N/A

II/III

Previous research

Detection

  1. A analysis cohort, BC-OC ovarian cancers subsequent to breast cancer, b benign, h healthy, LMP low malignant potential, N/A not available, OC ovarian cancer, T training/test cohort, V validation cohort