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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