Optical Coherence Tomography Angiography Assessment of the Peripapillary Vessel Density and Structure in Patients with Nonarteritic Anterior Ischemic Optic Neuropathy: A Meta-Analysis

Table 1

The basic characteristics of the included studies.

Study	Place	Mean age (years)	Study design	Number of eyes	Gender (M/F)	OCTA type	RPC scan size (mm)	Outcomes
Fard et al. [19]	Iran		Cross-sectional study	Cases: 33; Controls: 81	None	Optovue		RPC whole enface VD, RPC inside disc VD, RPC peripapillary VD, p-RNFL thickness
Mastropasqua et al. [20]	USA		Case-control study	Cases: 22; Controls: 23	9/13; 12/11	Optovue		RPC whole enface VD, RPC peripapillary VD, p-RNFL thickness
Abri Aghdam et al. [23]	Iran		Prospective observational study	Cases: 10; Controls: 10	4/6; 1/6	Optovue		RPC whole enface VD, RPC inside disc VD, RPC peripapillary VD
Aghsaei Fard et al. [24]	Iran		Cross-sectional study	Cases: 37; Controls: 54	21/16; 22/32	Optovue		RPC whole enface VD, p-RNFL thickness, macular GCC thickness
Al-Nashar and Hemeda [25]	Egypt		Cross-sectional study	Cases: 25; Controls: 25	14/11; 14/11	Optovue		RPC whole enface VD, RPC inside disc VD
Augstburger et al. [26]	France		Retrospective case-control study	Cases: 26; Controls: 24	16/8; 16/8	Optovue		FAZ-S, FAZ-D, FSVD, RPC whole enface VD, RPC peripapillary VD, p-RNFL thickness, macular GCC thickness
Fard et al.[27]	USA		Cross-sectional study	Cases: 31; Controls: 77	16/15; 35/42	Optovue		RPC whole enface VD, p-RNFL thickness
Fard et al. [28]	Iran		Cross-sectional study	Cases: 29; Controls: 48	14/15; 21/27	Optovue		RPC whole enface VD, p-RNFL thickness, macular GCC thickness
Hata et al. [29]	Japan		Prospective observational study	Cases: 15; Controls: 19	8/3; 6/8	Optovue		RPC whole enface VD, p-RNFL thickness
Liu et al. [30]	Taiwan		Prospective observational study	Cases: 13; Controls: 18	6/7; 7/11	Optovue		RPC whole enface VD, RPC peripapillary VD, p-RNFL thickness, macular GCC thickness
Liu et al. [31]	Taiwan		Cross-sectional study	Cases: 10; Controls: 27	4/6; 14/13	Optovue		RPC whole enface VD, RPC peripapillary VD, p-RNFL thickness, macular GCC thickness
Pierro et al. [32]	Italy		Cross-sectional study	Cases: 15; Controls: 15	9/6; 8/7	Topcon		RPC whole enface VD, p-RNFL thickness
Sharma et al. [33]	Singapore	69 (61-82); 68 (52-82)	Observational case-control study	Cases: 6; Controls: 19	3/2; None	Optovue		RPC whole enface VD, RPC inside disc VD
Song et al. [34]	China		Cross-sectional study	Cases: 41; Controls: 30	14/16; 12/18	Optovue		RPC whole enface VD, RPC inside disc VD, RPC inside disc VD