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Table 1 Characteristics of the selected studies reporting the performance of ophthalmic artery Doppler in the diagnosis of preeclampsia

From: Ophthalmic artery Doppler in the complementary diagnosis of preeclampsia: a systematic review and meta-analysis

Studies

Study Design

Location

Population

Risk Factor

Diagnosis Criteria

Oda Parameters

n total

n PEa

n

PEl

n

PEg

n

C

Hata 1997 [34]

Cross-sectional

Japan

IG:1-3 T

Not reported

a

PI

76

15

9

6

29

Belfort 1999 [17]

Cross-sectional

USA

IG: 3 T

Not reported

ACOG

RI

42

18

0

0

24

Takata 2002 [11]

Cross-sectional

Japan

IG: 3 T

No

NHBP2000

RI, PI, PVS, PR, EDV

99

52

25

27

32

Ayaz 2003 [19]

Cross-sectional

Turkey

IG: 3 T

No

a

RI, PI

60

30

30

0

30

Diniz 2008 [14]

Cross-sectional

Brazil

IG:25-35w

No

NHBP2000

RI, PI, PVS, PR, EDV

91

40

20

20

51

Stein 2009 [30]

Case control

Brazil

IG: 3 T

Yes

NHBP2000

RI, PI, PVS, PR, EDV, P2

32

16

0

0

16

Brandão2012 [31]

Cross-sectional

Brazil

IG: 2 T

No

NHBP2000

RI

81

56

30

26

25

Oliveira 2013 [32]

Cross-sectional

Brazil

IG:20-40w

No

NHBP2000

RI, PI, PR

349

60

30

30

289

Olantuji 2015 [15]

Prospective

case control

Nigeria

IG: maior 20w

No

NHBP2000

RI, PI, PVS, PR, EDV, P2

92

42

24

18

50

Porto 2017 [18]

Cohort

Brazil

IG: 3 T

Yes

NHBP2000

RI

62

10

 

10

52

Freitas 2018 [33]

Cross-sectional

Brazil

IG: 3 T

No

ACOG

RI, PI, PVS, PR, EDV, P2, VM

65

36

23

13

29

Madina 2020 [16]

Cross-sectional

Pakistan

IG: 2 T e 3 T

Yes

Not reported

RI

60

30

0

0

30

Ozdemir 2020 [12]

Cross-sectional

Turkey

IG: após 20w

No

NHBP2000

RI, PI, PVS, PR, EDV, P2, S/D

100

50

0

0

50

Diniz 2022 [13]

Cohort

Brazil

IG: 20-41w

No

ISSHP2018

RI, PI, PVS, PR, EDV, P2

266

133

0

0

133

  1. GA gestational age, w weeks, 1 T first trimester, 2 T second trimester; and 3 T third trimester, RI resistance index, PI pulsatility index, PVS peak systolic velocity, P2 second peak systolic velocity, PR peak ratio, EDV end-diastolic velocity, PEa all preeclampsia group, PEl mild preeclampsia group, PEg severe preeclampsia group, C control group, UFU Universidade Federal de Uberlândia, UFMG Universidade Federal de Minas Gerais, UFRJ Universidade Federal do Rio de Janeiro. Only the first author of each study is given
  2. aNot reported, but they used the same criteria as preeclampsia defined as an elevated blood pressure of >  = 140/90 mmHg and proteinuria (2 +) on dipstick