Table1 General characteristics of the eligible studies included in the meta-analysis.

From: Retinal microvasculature features in patients with Behcet’s disease: a systematic review and meta-analysis

Study

Country

Age (years)

Design

Number of eyes

OCTA

device

Scan size (mm2)

Primary outcomes

Diagnostic criteria

Goker et al.16

Turkey

37.5 ± 14.3 39.2 ± 14.9

Cross-sectional study

BD Cases: 22

Controls: 28

Optovue

6 × 6 in macular

Macular whole enface superficial and deep VD, Foveal superficial and deep VD, Parafoveal superficial and deep VD, Superficial FAZ

ISGBD

Çömez et al.17

Turkey

39.81 ± 8.93

41.21 ± 9.87

Case–control study

BD Cases: 42

Controls: 40

Optovue

6 × 6 in macular

Macular whole enface superficial and deep VD, Superficial and Deep FAZ

ISGBD

Türkcü et al.18

Turkey

33.8 ± 4.51

32.6 ± 4.06

Case–control study

BD Cases: 60

Controls: 62

Optovue

3 × 3 in macular

Macular whole enface superficial and deep VD, Foveal superficial and deep VD, Superficial and Deep FAZ

ISGBD

Karalezli et al.19

Turkey

38.50 ± 14.30

40.20 ± 14.10

Case–control study

BD Cases: 56

Controls: 50

Optovue

6 × 6 in macular

Macular whole enface superficial and deep VD, Foveal superficial and deep VD, Parafoveal superficial and deep VD

ISGBD

Emre et al.20

Turkey

39.44 ± 13.56

38.1 ± 6.76

Case–control study

BD Cases: 26

Controls: 30

Optovue

6 × 6 in macular

Macular whole enface superficial and deep VD, Parafoveal superficial and deep VD

ISGBD

Accorinti et al.28

Italy

38.7 ± 13.2

35.7 ± 7.8

Cross-sectional study

BD Cases: 15

Controls: 15

Zeiss

6 × 6 in macular

Macular whole enface superficial and deep VD

ISGBD

Koca et al.29

Turkey

40.54 ± 9.4 41.59 ± 8.9

Case–control study

BD Cases: 94

Controls: 53

Optovue

3 × 3 in macular

Macular whole enface superficial and deep VD, Parafoveal superficial and deep VD

ISGBD

Aksoy et al.30

Turkey

38 ± 7.1

37 ± 8.2

Case–control study

BD Cases: 35

Controls: 30

Optovue

6 × 6 in macular

Foveal superficial and deep VD, Parafoveal superficial and deep VD, Superficial and Deep FAZ

ISGBD

Eser-Ozturk et al.31

Turkey

35.7 ± 11.65

40.1 ± 9.08

Cross-sectional study

BD Cases: 42

Controls: 38

Topcon

3 × 3 in macular

Parafoveal superficial and deep VD

ISGBD

Smid et al.32

Netherland

49.5 ± 12.12

44 ± 13

Cross-sectional study

BD Cases: 46

Controls: 22

Heidelberg

6 × 6 in macular

Parafoveal superficial and deep VD

ISGBD

Cheng et al.33

China

38.7 ± 9.5

37.5 ± 6.5

Case–control study

BD Cases:19

Controls: 25

Optovue

3 × 3 in macular

Macular whole enface superficial and deep VD, Superficial and Deep FAZ

ISGBD

Yilmaz et al.34

Turkey

38.05 ± 11.52 39.6 ± 9.6

Cross-sectional study

BD Cases:40

Controls: 30

Optovue

6 × 6 in macular

Foveal superficial and deep VD, Parafoveal superficial and deep VD,

ISGBD

Pei et al.35

China

29.0 (26.0, 36.0)

29.0 (27.0, 40.75)

Case–control study

BD Cases:102

Controls: 124

Optovue

3 × 3 in macular

Parafoveal superficial and deep VD

ISGBD

  1. VD vessel density, FAZ Foveal avascular zone, ISGBD International Study Group for Behçet’s disease.