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Table 1 Characteristics of included studies

From: Prevalence and diagnostic ability of β-zone parapapillary atrophy in open-angle glaucoma: a systematic review and meta-analysis

Study

Country

Prevalence

Quantity (eyes)

Diagnostic criteria

Age range (years)

Image

Refraction (D)

Study design

Jonas et al. [2, 24]

Germany

59.6%

582

Chronic OAG

62.9 ± 13.3

disc camera

0.2 ± 2.6

Hospital-based

Park et al. [23]

Japan

84.3%

102

NTG

57.8 ± 13.4

HRT

 − 0.3 ± 2.3

Hospital-based

Tezel et al. [22]

USA

67.2%

529

POAG + NTG

68.4 ± 12.6

disc camera

Range, 3 to 3

Hospital-based

Budde and Jonas [21]

Germany

62.3%

501

POAG

62.7 ± 14.7

disc camera

 − 0.4 ± 2.4

Hospital-based

Emdadi et al. [20]

USA

44.8%

29

POAG

62.3 ± 13.5

HRT

Range, 3 to 3

Hospital-based

Kono et al. [19]

USA

48.9%

47

POAG

63.4 ± 13.9

HRT

Range, 3 to 3

Hospital-based

Sugiyama et al. [18]

Japan

79.2%

207

OAG

48.1 ± 9.4

Fundus photography

NA

Population-based

Park et al. [17]

Korea

97.0%

33

NTG

48.0 ± 9.1

HRT

 <  − 6

Hospital-based

Budde and Jonas [16]

Germany

58.9%

168

Chronic OAG

55.8 ± 11.4

Fundus photography

 − 1.2 ± 2.7

Hospital-based

Duan et al. [15]

China

39.8%

128

POAG

49.0 ± 15.6

Fundus photography

 − 1.1 ± 2.4

Hospital-based

Wu et al. [13]

China

77.8%

27

POAG

63. 0 ± 13. 1

HRA and ICGA

 − 0.9 ± 2.4

Hospital _based

Pan et al. [14]

China

43.5%

85

POAG + NTG

60.7 ± 11.0

Fundus photography

 − 0.3 ± 1.0

Hospital _based

Xu et al. [12]

China

68.8%

93

Glaucoma

63.7 ± 10.1

Fundus photography

 − 0.5 ± 2.4

Population-based

Teng et al. [11]

USA

59.5%

245

OAG

70.0 ± 12.3

HRT

 − 1.0 ± 2.4

Hospital-based

Lee et al. [10]

Korea

71.3%

202

POAG + NTG

63.4 ± 11.3

Fundus photography

 − 0.3 ± 2.1

Hospital-based

Hayashi et al. [9]

Japan

84.0%

100

POAG

55.6 ± 11.0

SD-OCT

 − 2.2 ± 2.2

Hospital-based

Kim et al. [8]

Korea

79.0%

195

POAG

51.4 ± 13.9

SD(EDI)-OCT

 − 2.7 ± 3.8

Hospital-based

Sullivan-Mee et al. [7]

USA

76.2%

63

POAG

67.2 ± 8.2

SD-OCT

AL:24.41 mm

Hospital-based

Skaat et al. [6]

USA

77.2%

801

Glaucoma

61.4 ± 12.8

Fundus photography

 − 0.5 ± 1.9

Hospital-based

Miki et al. [3]

Japan

94.0%

50

OAG

59.8 ± 9.5

SS-OCT

 − 2.4 ± 2.3

Hospital-based

Mataki et al. [5]

Japan

77.4%

84

POAG

63.9 ± 12.4

Fundus photography

 − 0.9 ± 2.7

Population-based

Lee et al.[33]

Korea

100.0%

88

OAG

53.9 ± 

13.4

SS-OCT

 − 0.66 ± 2.16

Hospital-based

Lee et al.[34]

Korea

50.6%

77

Glaucoma

56.1 ± 

12.7

SD-OCT

AL: 24.7 ± 1.6 mm

Hospital-based

Sayed et al.[35]

Egypt

90.0% (82%)

100

POAG

51.0 ± 

8.8

SD-OCT (Fundus photography)

NA

Hospital-based

  1. Abbreviations: EDI-OCT enhanced depth imaging OCT, HRA Heidelberg Retinal angiography, HRT Heidelberg retina tomography, ICGA indocyanine green angiography, NTG normal tension glaucoma, OAG open-angle glaucoma, OCT optic coherent tomography, POAG primary open-angle glaucoma, SD-OCT spectral-domain OCT, SS-OCT swept-source OCT